Home / 11,229.93-16,845.19-2,909.88

Finding the Fourth Proportional to 11,229.93, 16,845.19 and 2,909.88

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Solution

The fourth proportional to 11,229.93, 16,845.19 and 2,909.88 is: 4,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.93 : 16,845.19 = 2,909.88 : x
  2. Step 2: Convert to fraction form
    11,229.93/16,845.19 = 2,909.88/x
  3. Step 3: Cross multiply
    11,229.93x = 16,845.19 × 2,909.88
  4. Step 4: Simplify right side
    11,229.93x = 49,017,474.20
  5. Step 5: Solve for x
    x = 49,017,474.20/11,229.93
  6. Step 6: Final answer
    x = 4,364.90

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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.