Home / 10,086.28-15,127.42-9,586.20

Finding the Fourth Proportional to 10,086.28, 15,127.42 and 9,586.20

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Solution

The fourth proportional to 10,086.28, 15,127.42 and 9,586.20 is: 14,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.28 : 15,127.42 = 9,586.20 : x
  2. Step 2: Convert to fraction form
    10,086.28/15,127.42 = 9,586.20/x
  3. Step 3: Cross multiply
    10,086.28x = 15,127.42 × 9,586.20
  4. Step 4: Simplify right side
    10,086.28x = 145,014,473.60
  5. Step 5: Solve for x
    x = 145,014,473.60/10,086.28
  6. Step 6: Final answer
    x = 14,377.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.