Home / 10,160.40-15,204.96-8,789.88

Finding the Fourth Proportional to 10,160.40, 15,204.96 and 8,789.88

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Solution

The fourth proportional to 10,160.40, 15,204.96 and 8,789.88 is: 13,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.40 : 15,204.96 = 8,789.88 : x
  2. Step 2: Convert to fraction form
    10,160.40/15,204.96 = 8,789.88/x
  3. Step 3: Cross multiply
    10,160.40x = 15,204.96 × 8,789.88
  4. Step 4: Simplify right side
    10,160.40x = 133,649,773.80
  5. Step 5: Solve for x
    x = 133,649,773.80/10,160.40
  6. Step 6: Final answer
    x = 13,153.99

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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.