Home / 11,177.97-15,425.84-6,142.50

Finding the Fourth Proportional to 11,177.97, 15,425.84 and 6,142.50

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Solution

The fourth proportional to 11,177.97, 15,425.84 and 6,142.50 is: 8,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.97 : 15,425.84 = 6,142.50 : x
  2. Step 2: Convert to fraction form
    11,177.97/15,425.84 = 6,142.50/x
  3. Step 3: Cross multiply
    11,177.97x = 15,425.84 × 6,142.50
  4. Step 4: Simplify right side
    11,177.97x = 94,753,237.56
  5. Step 5: Solve for x
    x = 94,753,237.56/11,177.97
  6. Step 6: Final answer
    x = 8,476.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.