Finding the Fourth Proportional to 16,489.12, 24,643.16 and 12,056.12
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Solution
The fourth proportional to 16,489.12, 24,643.16 and 12,056.12 is: 18,017.99
Step by Step Solution
- Step 1: Write the proportion equation
16,489.12 : 24,643.16 = 12,056.12 : x - Step 2: Convert to fraction form
16,489.12/24,643.16 = 12,056.12/x - Step 3: Cross multiply
16,489.12x = 24,643.16 × 12,056.12 - Step 4: Simplify right side
16,489.12x = 297,100,812.86 - Step 5: Solve for x
x = 297,100,812.86/16,489.12 - Step 6: Final answer
x = 18,017.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.