Home / 9,936.20-14,905.92-3,362.78

Finding the Fourth Proportional to 9,936.20, 14,905.92 and 3,362.78

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Solution

The fourth proportional to 9,936.20, 14,905.92 and 3,362.78 is: 5,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.20 : 14,905.92 = 3,362.78 : x
  2. Step 2: Convert to fraction form
    9,936.20/14,905.92 = 3,362.78/x
  3. Step 3: Cross multiply
    9,936.20x = 14,905.92 × 3,362.78
  4. Step 4: Simplify right side
    9,936.20x = 50,125,329.66
  5. Step 5: Solve for x
    x = 50,125,329.66/9,936.20
  6. Step 6: Final answer
    x = 5,044.72

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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.