Home / 11,986.38-17,957.97-6,433.83

Finding the Fourth Proportional to 11,986.38, 17,957.97 and 6,433.83

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Solution

The fourth proportional to 11,986.38, 17,957.97 and 6,433.83 is: 9,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.38 : 17,957.97 = 6,433.83 : x
  2. Step 2: Convert to fraction form
    11,986.38/17,957.97 = 6,433.83/x
  3. Step 3: Cross multiply
    11,986.38x = 17,957.97 × 6,433.83
  4. Step 4: Simplify right side
    11,986.38x = 115,538,526.13
  5. Step 5: Solve for x
    x = 115,538,526.13/11,986.38
  6. Step 6: Final answer
    x = 9,639.15

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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.