Home / 20,614.08-28,454.16-14,663.04

Finding the Fourth Proportional to 20,614.08, 28,454.16 and 14,663.04

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Solution

The fourth proportional to 20,614.08, 28,454.16 and 14,663.04 is: 20,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.08 : 28,454.16 = 14,663.04 : x
  2. Step 2: Convert to fraction form
    20,614.08/28,454.16 = 14,663.04/x
  3. Step 3: Cross multiply
    20,614.08x = 28,454.16 × 14,663.04
  4. Step 4: Simplify right side
    20,614.08x = 417,224,486.25
  5. Step 5: Solve for x
    x = 417,224,486.25/20,614.08
  6. Step 6: Final answer
    x = 20,239.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.