Home / 15,532.76-21,437.19-11,565.18

Finding the Fourth Proportional to 15,532.76, 21,437.19 and 11,565.18

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Solution

The fourth proportional to 15,532.76, 21,437.19 and 11,565.18 is: 15,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.76 : 21,437.19 = 11,565.18 : x
  2. Step 2: Convert to fraction form
    15,532.76/21,437.19 = 11,565.18/x
  3. Step 3: Cross multiply
    15,532.76x = 21,437.19 × 11,565.18
  4. Step 4: Simplify right side
    15,532.76x = 247,924,961.04
  5. Step 5: Solve for x
    x = 247,924,961.04/15,532.76
  6. Step 6: Final answer
    x = 15,961.42

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Half scale
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Double scale
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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.