Home / 10,252.92-15,381.69-3,137.82

Finding the Fourth Proportional to 10,252.92, 15,381.69 and 3,137.82

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Solution

The fourth proportional to 10,252.92, 15,381.69 and 3,137.82 is: 4,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.92 : 15,381.69 = 3,137.82 : x
  2. Step 2: Convert to fraction form
    10,252.92/15,381.69 = 3,137.82/x
  3. Step 3: Cross multiply
    10,252.92x = 15,381.69 × 3,137.82
  4. Step 4: Simplify right side
    10,252.92x = 48,264,974.52
  5. Step 5: Solve for x
    x = 48,264,974.52/10,252.92
  6. Step 6: Final answer
    x = 4,707.44

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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.