Home / 10,179.38-15,269.36-3,253.88

Finding the Fourth Proportional to 10,179.38, 15,269.36 and 3,253.88

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Solution

The fourth proportional to 10,179.38, 15,269.36 and 3,253.88 is: 4,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.38 : 15,269.36 = 3,253.88 : x
  2. Step 2: Convert to fraction form
    10,179.38/15,269.36 = 3,253.88/x
  3. Step 3: Cross multiply
    10,179.38x = 15,269.36 × 3,253.88
  4. Step 4: Simplify right side
    10,179.38x = 49,684,665.12
  5. Step 5: Solve for x
    x = 49,684,665.12/10,179.38
  6. Step 6: Final answer
    x = 4,880.91

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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.