Home / 10,132.76-15,125.80-8,754.96

Finding the Fourth Proportional to 10,132.76, 15,125.80 and 8,754.96

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Solution

The fourth proportional to 10,132.76, 15,125.80 and 8,754.96 is: 13,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.76 : 15,125.80 = 8,754.96 : x
  2. Step 2: Convert to fraction form
    10,132.76/15,125.80 = 8,754.96/x
  3. Step 3: Cross multiply
    10,132.76x = 15,125.80 × 8,754.96
  4. Step 4: Simplify right side
    10,132.76x = 132,425,773.97
  5. Step 5: Solve for x
    x = 132,425,773.97/10,132.76
  6. Step 6: Final answer
    x = 13,069.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.