Home / 11,949.92-17,917.94-4,049.78

Finding the Fourth Proportional to 11,949.92, 17,917.94 and 4,049.78

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Solution

The fourth proportional to 11,949.92, 17,917.94 and 4,049.78 is: 6,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.92 : 17,917.94 = 4,049.78 : x
  2. Step 2: Convert to fraction form
    11,949.92/17,917.94 = 4,049.78/x
  3. Step 3: Cross multiply
    11,949.92x = 17,917.94 × 4,049.78
  4. Step 4: Simplify right side
    11,949.92x = 72,563,605.21
  5. Step 5: Solve for x
    x = 72,563,605.21/11,949.92
  6. Step 6: Final answer
    x = 6,072.31

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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.