Home / 10,229.75-15,344.82-3,209.61

Finding the Fourth Proportional to 10,229.75, 15,344.82 and 3,209.61

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Solution

The fourth proportional to 10,229.75, 15,344.82 and 3,209.61 is: 4,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.75 : 15,344.82 = 3,209.61 : x
  2. Step 2: Convert to fraction form
    10,229.75/15,344.82 = 3,209.61/x
  3. Step 3: Cross multiply
    10,229.75x = 15,344.82 × 3,209.61
  4. Step 4: Simplify right side
    10,229.75x = 49,250,887.72
  5. Step 5: Solve for x
    x = 49,250,887.72/10,229.75
  6. Step 6: Final answer
    x = 4,814.48

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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.