Identifying Proportions
5/6 : 15/18
7/r = 2/4
r= 14
In the school garden, the ratio of tomato plants to pepper plants is 3:10. If there are 45 tomato plants, how many pepper plants should there be for the same ratio to hold true?
X= 150
In the school library, the ratio of fiction to nonfiction books is 7:3. If there are 84 fiction books, how many nonfiction books are there?
X=36
10/12 and 20/32
No, they are not proportional
15/h = 5/6
h= 18
During a science experiment, students must mix two liquids in the ratio of 4:9. If a group already poured 36 milliliters of the first liquid, how many milliliters of the second liquid should they add?
x=81
The coach noticed players make free throws and jump shots in a ratio of 4:9. If one player made 36 jump shots, how many free throws did they make?
X=16
7/8 : 2/5
No, they are not proportional.
3/8 = a/64
a= 24
For every 5 mystery books, the library wants to offer 8 adventure books in a new display. If the librarian puts out 60 adventure books, how many mystery books should be displayed to keep the same ratio?
To make a smoothie, the ratio of yogurt to fruit should be 3:5. If the chef used 12 cups of yogurt, how many cups of fruit are needed?
X=20
9/6 : 18/12
Yes, they are proportional
8/9 = 40/m
m= 45
The dance committee decided the ratio of balloons to streamers should be 7:4 to decorate the gym evenly. If the students already hung 56 balloons, how many streamers do they need?
x=32
The ratio of single desks to shared tables in a classroom is 9:2. If there are 18 shared tables, how many single desks are there?
X=81
4/5 and 15/20
No, they are not proportional
24/21 = s/35
s= 40
A photographer sells large and small prints in a ratio of 2:5. If she sold 50 small prints last month, how many large prints did she sell?
x=20
The ratio of student tickets to adult tickets sold for the school play is 7:4. If 84 student tickets were sold, how many adult tickets were sold?
X=48