Home / 10,076.48-15,099.32-4,229.88

Finding the Fourth Proportional to 10,076.48, 15,099.32 and 4,229.88

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Solution

The fourth proportional to 10,076.48, 15,099.32 and 4,229.88 is: 6,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.48 : 15,099.32 = 4,229.88 : x
  2. Step 2: Convert to fraction form
    10,076.48/15,099.32 = 4,229.88/x
  3. Step 3: Cross multiply
    10,076.48x = 15,099.32 × 4,229.88
  4. Step 4: Simplify right side
    10,076.48x = 63,868,311.68
  5. Step 5: Solve for x
    x = 63,868,311.68/10,076.48
  6. Step 6: Final answer
    x = 6,338.36

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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.