Home / 18,841.50-25,996.92-11,286.42

Finding the Fourth Proportional to 18,841.50, 25,996.92 and 11,286.42

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Solution

The fourth proportional to 18,841.50, 25,996.92 and 11,286.42 is: 15,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.50 : 25,996.92 = 11,286.42 : x
  2. Step 2: Convert to fraction form
    18,841.50/25,996.92 = 11,286.42/x
  3. Step 3: Cross multiply
    18,841.50x = 25,996.92 × 11,286.42
  4. Step 4: Simplify right side
    18,841.50x = 293,412,157.83
  5. Step 5: Solve for x
    x = 293,412,157.83/18,841.50
  6. Step 6: Final answer
    x = 15,572.65

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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.