Home / 10,180.28-15,272.94-3,254.78

Finding the Fourth Proportional to 10,180.28, 15,272.94 and 3,254.78

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Solution

The fourth proportional to 10,180.28, 15,272.94 and 3,254.78 is: 4,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.28 : 15,272.94 = 3,254.78 : x
  2. Step 2: Convert to fraction form
    10,180.28/15,272.94 = 3,254.78/x
  3. Step 3: Cross multiply
    10,180.28x = 15,272.94 × 3,254.78
  4. Step 4: Simplify right side
    10,180.28x = 49,710,059.65
  5. Step 5: Solve for x
    x = 49,710,059.65/10,180.28
  6. Step 6: Final answer
    x = 4,882.98

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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.