Home / 11,273.46-16,909.20-3,481.50

Finding the Fourth Proportional to 11,273.46, 16,909.20 and 3,481.50

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Solution

The fourth proportional to 11,273.46, 16,909.20 and 3,481.50 is: 5,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.46 : 16,909.20 = 3,481.50 : x
  2. Step 2: Convert to fraction form
    11,273.46/16,909.20 = 3,481.50/x
  3. Step 3: Cross multiply
    11,273.46x = 16,909.20 × 3,481.50
  4. Step 4: Simplify right side
    11,273.46x = 58,869,379.80
  5. Step 5: Solve for x
    x = 58,869,379.80/11,273.46
  6. Step 6: Final answer
    x = 5,221.94

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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.