Proportions – free printable worksheet (Grade 7)

Sowa

Proportions

Find x in each proportion.

8:5=80:x x=

x:6=40:48 x=

x:35=1:7 x=

22:33=2:x x=

7:35=x:5 x=

x:8=36:32 x=

7:3=56:x x=

x:54=4:9 x=

x:48=9:8 x=

16:x=8:5 x=

2:5=10:x x=

1:x=3:27 x=

x:36=7:9 x=

9:x=36:28 x=

1:x=11:44 x=

3:4=45:x x=

7:5=35:x x=

6:x=1:9 x=

About this worksheet

Eighteen proportions of the form a : b = c : d with one of the four numbers missing. Find how many times bigger one ratio is than the other, or cross-multiply. Every answer is a whole number. With an answer key.