Home / 21,144.52-29,112.99-17,951.19

Finding the Fourth Proportional to 21,144.52, 29,112.99 and 17,951.19

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Solution

The fourth proportional to 21,144.52, 29,112.99 and 17,951.19 is: 24,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,144.52 : 29,112.99 = 17,951.19 : x
  2. Step 2: Convert to fraction form
    21,144.52/29,112.99 = 17,951.19/x
  3. Step 3: Cross multiply
    21,144.52x = 29,112.99 × 17,951.19
  4. Step 4: Simplify right side
    21,144.52x = 522,612,814.96
  5. Step 5: Solve for x
    x = 522,612,814.96/21,144.52
  6. Step 6: Final answer
    x = 24,716.23

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Half scale
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Double scale
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Similar ratio
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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.