Home / 11,272.85-16,904.60-4,251.66

Finding the Fourth Proportional to 11,272.85, 16,904.60 and 4,251.66

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Solution

The fourth proportional to 11,272.85, 16,904.60 and 4,251.66 is: 6,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.85 : 16,904.60 = 4,251.66 : x
  2. Step 2: Convert to fraction form
    11,272.85/16,904.60 = 4,251.66/x
  3. Step 3: Cross multiply
    11,272.85x = 16,904.60 × 4,251.66
  4. Step 4: Simplify right side
    11,272.85x = 71,872,685.56
  5. Step 5: Solve for x
    x = 71,872,685.56/11,272.85
  6. Step 6: Final answer
    x = 6,375.74

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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.