Question

State whether the ratios form a proportion.

16 to 18 and 24 to 27


A.
Yes

B.
No

Answer 1

if the ratios are equal ... they form a proportion

Answer 2

or ...if

16x = 24
18x = 27

has a solution, then they form a proportion

Answer 3

think of proportions as equivalent fractions.
16 to 18 is the same as 16/18
24 to 27 is the same as 24/27

so is 16/18 equivalent to 24/27 ? If so, then it is proportional.