Home / 14,801.39-20,425.66-8,086.85

Finding the Fourth Proportional to 14,801.39, 20,425.66 and 8,086.85

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Solution

The fourth proportional to 14,801.39, 20,425.66 and 8,086.85 is: 11,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.39 : 20,425.66 = 8,086.85 : x
  2. Step 2: Convert to fraction form
    14,801.39/20,425.66 = 8,086.85/x
  3. Step 3: Cross multiply
    14,801.39x = 20,425.66 × 8,086.85
  4. Step 4: Simplify right side
    14,801.39x = 165,179,126.23
  5. Step 5: Solve for x
    x = 165,179,126.23/14,801.39
  6. Step 6: Final answer
    x = 11,159.70

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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.