Home / 12,612.20-17,404.76-7,306.92

Finding the Fourth Proportional to 12,612.20, 17,404.76 and 7,306.92

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Solution

The fourth proportional to 12,612.20, 17,404.76 and 7,306.92 is: 10,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.20 : 17,404.76 = 7,306.92 : x
  2. Step 2: Convert to fraction form
    12,612.20/17,404.76 = 7,306.92/x
  3. Step 3: Cross multiply
    12,612.20x = 17,404.76 × 7,306.92
  4. Step 4: Simplify right side
    12,612.20x = 127,175,188.94
  5. Step 5: Solve for x
    x = 127,175,188.94/12,612.20
  6. Step 6: Final answer
    x = 10,083.51

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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.