Home / 21,169.32-29,204.25-13,614.24

Finding the Fourth Proportional to 21,169.32, 29,204.25 and 13,614.24

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Solution

The fourth proportional to 21,169.32, 29,204.25 and 13,614.24 is: 18,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169.32 : 29,204.25 = 13,614.24 : x
  2. Step 2: Convert to fraction form
    21,169.32/29,204.25 = 13,614.24/x
  3. Step 3: Cross multiply
    21,169.32x = 29,204.25 × 13,614.24
  4. Step 4: Simplify right side
    21,169.32x = 397,593,668.52
  5. Step 5: Solve for x
    x = 397,593,668.52/21,169.32
  6. Step 6: Final answer
    x = 18,781.60

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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.