Home / 11,969.16-17,961.94-4,177.97

Finding the Fourth Proportional to 11,969.16, 17,961.94 and 4,177.97

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Solution

The fourth proportional to 11,969.16, 17,961.94 and 4,177.97 is: 6,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.16 : 17,961.94 = 4,177.97 : x
  2. Step 2: Convert to fraction form
    11,969.16/17,961.94 = 4,177.97/x
  3. Step 3: Cross multiply
    11,969.16x = 17,961.94 × 4,177.97
  4. Step 4: Simplify right side
    11,969.16x = 75,044,446.46
  5. Step 5: Solve for x
    x = 75,044,446.46/11,969.16
  6. Step 6: Final answer
    x = 6,269.82

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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.