Home / 10,897.40-15,046.86-8,375.52

Finding the Fourth Proportional to 10,897.40, 15,046.86 and 8,375.52

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Solution

The fourth proportional to 10,897.40, 15,046.86 and 8,375.52 is: 11,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.40 : 15,046.86 = 8,375.52 : x
  2. Step 2: Convert to fraction form
    10,897.40/15,046.86 = 8,375.52/x
  3. Step 3: Cross multiply
    10,897.40x = 15,046.86 × 8,375.52
  4. Step 4: Simplify right side
    10,897.40x = 126,025,276.87
  5. Step 5: Solve for x
    x = 126,025,276.87/10,897.40
  6. Step 6: Final answer
    x = 11,564.71

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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.