Home / 12,450.12-17,177.47-7,411.83

Finding the Fourth Proportional to 12,450.12, 17,177.47 and 7,411.83

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Solution

The fourth proportional to 12,450.12, 17,177.47 and 7,411.83 is: 10,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.12 : 17,177.47 = 7,411.83 : x
  2. Step 2: Convert to fraction form
    12,450.12/17,177.47 = 7,411.83/x
  3. Step 3: Cross multiply
    12,450.12x = 17,177.47 × 7,411.83
  4. Step 4: Simplify right side
    12,450.12x = 127,316,487.47
  5. Step 5: Solve for x
    x = 127,316,487.47/12,450.12
  6. Step 6: Final answer
    x = 10,226.13

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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.