Home / 11,839.14-17,752.61-3,938.81

Finding the Fourth Proportional to 11,839.14, 17,752.61 and 3,938.81

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Solution

The fourth proportional to 11,839.14, 17,752.61 and 3,938.81 is: 5,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.14 : 17,752.61 = 3,938.81 : x
  2. Step 2: Convert to fraction form
    11,839.14/17,752.61 = 3,938.81/x
  3. Step 3: Cross multiply
    11,839.14x = 17,752.61 × 3,938.81
  4. Step 4: Simplify right side
    11,839.14x = 69,924,078.88
  5. Step 5: Solve for x
    x = 69,924,078.88/11,839.14
  6. Step 6: Final answer
    x = 5,906.18

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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.