Home / 10,083.25-15,125.22-2,687.72

Finding the Fourth Proportional to 10,083.25, 15,125.22 and 2,687.72

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Solution

The fourth proportional to 10,083.25, 15,125.22 and 2,687.72 is: 4,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.25 : 15,125.22 = 2,687.72 : x
  2. Step 2: Convert to fraction form
    10,083.25/15,125.22 = 2,687.72/x
  3. Step 3: Cross multiply
    10,083.25x = 15,125.22 × 2,687.72
  4. Step 4: Simplify right side
    10,083.25x = 40,652,394.11
  5. Step 5: Solve for x
    x = 40,652,394.11/10,083.25
  6. Step 6: Final answer
    x = 4,031.68

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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.