Home / 21,194.38-29,248.73-11,763.55

Finding the Fourth Proportional to 21,194.38, 29,248.73 and 11,763.55

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Solution

The fourth proportional to 21,194.38, 29,248.73 and 11,763.55 is: 16,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.38 : 29,248.73 = 11,763.55 : x
  2. Step 2: Convert to fraction form
    21,194.38/29,248.73 = 11,763.55/x
  3. Step 3: Cross multiply
    21,194.38x = 29,248.73 × 11,763.55
  4. Step 4: Simplify right side
    21,194.38x = 344,068,897.79
  5. Step 5: Solve for x
    x = 344,068,897.79/21,194.38
  6. Step 6: Final answer
    x = 16,233.97

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Half scale
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Double scale
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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.