Home / 10,231.26-15,332.25-8,141.85

Finding the Fourth Proportional to 10,231.26, 15,332.25 and 8,141.85

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Solution

The fourth proportional to 10,231.26, 15,332.25 and 8,141.85 is: 12,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.26 : 15,332.25 = 8,141.85 : x
  2. Step 2: Convert to fraction form
    10,231.26/15,332.25 = 8,141.85/x
  3. Step 3: Cross multiply
    10,231.26x = 15,332.25 × 8,141.85
  4. Step 4: Simplify right side
    10,231.26x = 124,832,879.66
  5. Step 5: Solve for x
    x = 124,832,879.66/10,231.26
  6. Step 6: Final answer
    x = 12,201.12

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1.5x scale

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.