Home / 21,337.29-29,423.48-14,164.61

Finding the Fourth Proportional to 21,337.29, 29,423.48 and 14,164.61

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Solution

The fourth proportional to 21,337.29, 29,423.48 and 14,164.61 is: 19,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.29 : 29,423.48 = 14,164.61 : x
  2. Step 2: Convert to fraction form
    21,337.29/29,423.48 = 14,164.61/x
  3. Step 3: Cross multiply
    21,337.29x = 29,423.48 × 14,164.61
  4. Step 4: Simplify right side
    21,337.29x = 416,771,901.10
  5. Step 5: Solve for x
    x = 416,771,901.10/21,337.29
  6. Step 6: Final answer
    x = 19,532.56

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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.