Home / 10,469.14-15,703.68-2,677.92

Finding the Fourth Proportional to 10,469.14, 15,703.68 and 2,677.92

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Solution

The fourth proportional to 10,469.14, 15,703.68 and 2,677.92 is: 4,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.14 : 15,703.68 = 2,677.92 : x
  2. Step 2: Convert to fraction form
    10,469.14/15,703.68 = 2,677.92/x
  3. Step 3: Cross multiply
    10,469.14x = 15,703.68 × 2,677.92
  4. Step 4: Simplify right side
    10,469.14x = 42,053,198.75
  5. Step 5: Solve for x
    x = 42,053,198.75/10,469.14
  6. Step 6: Final answer
    x = 4,016.87

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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.