Home / 10,125.38-15,186.17-8,162.47

Finding the Fourth Proportional to 10,125.38, 15,186.17 and 8,162.47

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Solution

The fourth proportional to 10,125.38, 15,186.17 and 8,162.47 is: 12,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.38 : 15,186.17 = 8,162.47 : x
  2. Step 2: Convert to fraction form
    10,125.38/15,186.17 = 8,162.47/x
  3. Step 3: Cross multiply
    10,125.38x = 15,186.17 × 8,162.47
  4. Step 4: Simplify right side
    10,125.38x = 123,956,598.67
  5. Step 5: Solve for x
    x = 123,956,598.67/10,125.38
  6. Step 6: Final answer
    x = 12,242.17

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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.