Home / 10,422.96-15,635.16-3,498

Finding the Fourth Proportional to 10,422.96, 15,635.16 and 3,498

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Solution

The fourth proportional to 10,422.96, 15,635.16 and 3,498 is: 5,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.96 : 15,635.16 = 3,498 : x
  2. Step 2: Convert to fraction form
    10,422.96/15,635.16 = 3,498/x
  3. Step 3: Cross multiply
    10,422.96x = 15,635.16 × 3,498
  4. Step 4: Simplify right side
    10,422.96x = 54,691,789.68
  5. Step 5: Solve for x
    x = 54,691,789.68/10,422.96
  6. Step 6: Final answer
    x = 5,247.24

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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.