Home / 11,171.07-15,414.91-6,694.70

Finding the Fourth Proportional to 11,171.07, 15,414.91 and 6,694.70

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Solution

The fourth proportional to 11,171.07, 15,414.91 and 6,694.70 is: 9,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.07 : 15,414.91 = 6,694.70 : x
  2. Step 2: Convert to fraction form
    11,171.07/15,414.91 = 6,694.70/x
  3. Step 3: Cross multiply
    11,171.07x = 15,414.91 × 6,694.70
  4. Step 4: Simplify right side
    11,171.07x = 103,198,104.17
  5. Step 5: Solve for x
    x = 103,198,104.17/11,171.07
  6. Step 6: Final answer
    x = 9,237.98

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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.