Home / 22,632.76-31,232.60-12,560.68

Finding the Fourth Proportional to 22,632.76, 31,232.60 and 12,560.68

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Solution

The fourth proportional to 22,632.76, 31,232.60 and 12,560.68 is: 17,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.76 : 31,232.60 = 12,560.68 : x
  2. Step 2: Convert to fraction form
    22,632.76/31,232.60 = 12,560.68/x
  3. Step 3: Cross multiply
    22,632.76x = 31,232.60 × 12,560.68
  4. Step 4: Simplify right side
    22,632.76x = 392,302,538.01
  5. Step 5: Solve for x
    x = 392,302,538.01/22,632.76
  6. Step 6: Final answer
    x = 17,333.40

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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.