Home / 15,481.12-23,221.32-3,794.28

Finding the Fourth Proportional to 15,481.12, 23,221.32 and 3,794.28

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Solution

The fourth proportional to 15,481.12, 23,221.32 and 3,794.28 is: 5,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.12 : 23,221.32 = 3,794.28 : x
  2. Step 2: Convert to fraction form
    15,481.12/23,221.32 = 3,794.28/x
  3. Step 3: Cross multiply
    15,481.12x = 23,221.32 × 3,794.28
  4. Step 4: Simplify right side
    15,481.12x = 88,108,190.05
  5. Step 5: Solve for x
    x = 88,108,190.05/15,481.12
  6. Step 6: Final answer
    x = 5,691.33

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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.