Question

Are the following numbers in proportion:- a) 9,12,18,24​

Answer 1

Answer:

yes

Step-by-step explanation:

they are in proportion

9×24=12×18

216=216

Answer 2

Answer:

yes

Step-by-step explanation:

As to find the proportion in four no.

we multiply first no. and fourth no.

and we multiply second no. and third no.

let first no.= a

second no. = b

third no. = c

fourth no. = d

Are the following numbers in proportion :a,b,c,d

let's check

is a x d = b x c

let's put the values

Like this

9 x 24 = 18 x 24

216 = 216

Therefore, They are in proportion