Home / 10,083.38-15,125.41-2,687.84

Finding the Fourth Proportional to 10,083.38, 15,125.41 and 2,687.84

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Solution

The fourth proportional to 10,083.38, 15,125.41 and 2,687.84 is: 4,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.38 : 15,125.41 = 2,687.84 : x
  2. Step 2: Convert to fraction form
    10,083.38/15,125.41 = 2,687.84/x
  3. Step 3: Cross multiply
    10,083.38x = 15,125.41 × 2,687.84
  4. Step 4: Simplify right side
    10,083.38x = 40,654,682.01
  5. Step 5: Solve for x
    x = 40,654,682.01/10,083.38
  6. Step 6: Final answer
    x = 4,031.85

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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.