Home / 18,281.88-25,227.60-10,324.92

Finding the Fourth Proportional to 18,281.88, 25,227.60 and 10,324.92

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Solution

The fourth proportional to 18,281.88, 25,227.60 and 10,324.92 is: 14,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.88 : 25,227.60 = 10,324.92 : x
  2. Step 2: Convert to fraction form
    18,281.88/25,227.60 = 10,324.92/x
  3. Step 3: Cross multiply
    18,281.88x = 25,227.60 × 10,324.92
  4. Step 4: Simplify right side
    18,281.88x = 260,472,951.79
  5. Step 5: Solve for x
    x = 260,472,951.79/18,281.88
  6. Step 6: Final answer
    x = 14,247.60

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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.