Home / 10,406.24-15,610.20-3,480.76

Finding the Fourth Proportional to 10,406.24, 15,610.20 and 3,480.76

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Solution

The fourth proportional to 10,406.24, 15,610.20 and 3,480.76 is: 5,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.24 : 15,610.20 = 3,480.76 : x
  2. Step 2: Convert to fraction form
    10,406.24/15,610.20 = 3,480.76/x
  3. Step 3: Cross multiply
    10,406.24x = 15,610.20 × 3,480.76
  4. Step 4: Simplify right side
    10,406.24x = 54,335,359.75
  5. Step 5: Solve for x
    x = 54,335,359.75/10,406.24
  6. Step 6: Final answer
    x = 5,221.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.