Home / 11,229.87-16,844.86-2,909.30

Finding the Fourth Proportional to 11,229.87, 16,844.86 and 2,909.30

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Solution

The fourth proportional to 11,229.87, 16,844.86 and 2,909.30 is: 4,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.87 : 16,844.86 = 2,909.30 : x
  2. Step 2: Convert to fraction form
    11,229.87/16,844.86 = 2,909.30/x
  3. Step 3: Cross multiply
    11,229.87x = 16,844.86 × 2,909.30
  4. Step 4: Simplify right side
    11,229.87x = 49,006,751.20
  5. Step 5: Solve for x
    x = 49,006,751.20/11,229.87
  6. Step 6: Final answer
    x = 4,363.96

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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.