Home / 11,432.50-15,778.87-6,716.78

Finding the Fourth Proportional to 11,432.50, 15,778.87 and 6,716.78

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Solution

The fourth proportional to 11,432.50, 15,778.87 and 6,716.78 is: 9,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.50 : 15,778.87 = 6,716.78 : x
  2. Step 2: Convert to fraction form
    11,432.50/15,778.87 = 6,716.78/x
  3. Step 3: Cross multiply
    11,432.50x = 15,778.87 × 6,716.78
  4. Step 4: Simplify right side
    11,432.50x = 105,983,198.44
  5. Step 5: Solve for x
    x = 105,983,198.44/11,432.50
  6. Step 6: Final answer
    x = 9,270.34

Related Problems

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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.