Finding the Fourth Proportional to 11,424, 17,136 and 3,216
Calculator
Solution
The fourth proportional to 11,424, 17,136 and 3,216 is: 4,824
Step by Step Solution
- Step 1: Write the proportion equation
11,424 : 17,136 = 3,216 : x - Step 2: Convert to fraction form
11,424/17,136 = 3,216/x - Step 3: Cross multiply
11,424x = 17,136 × 3,216 - Step 4: Simplify right side
11,424x = 55,109,376 - Step 5: Solve for x
x = 55,109,376/11,424 - Step 6: Final answer
x = 4,824
Related Problems
Find fourth proportional to 5,712, 8,568 and 1,608
Half scale
Find fourth proportional to 22,848, 34,272 and 6,432
Double scale
Find fourth proportional to 11,425, 17,137.50 and 3,217
Similar ratio
Find fourth proportional to 17,136, 25,704 and 4,824
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.