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Finding the Fourth Proportional to 9,939.02, 14,909.97 and 3,362.97

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Solution

The fourth proportional to 9,939.02, 14,909.97 and 3,362.97 is: 5,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.02 : 14,909.97 = 3,362.97 : x
  2. Step 2: Convert to fraction form
    9,939.02/14,909.97 = 3,362.97/x
  3. Step 3: Cross multiply
    9,939.02x = 14,909.97 × 3,362.97
  4. Step 4: Simplify right side
    9,939.02x = 50,141,781.81
  5. Step 5: Solve for x
    x = 50,141,781.81/9,939.02
  6. Step 6: Final answer
    x = 5,044.94

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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.