Home / 10,906.10-16,359.15-3,113.90

Finding the Fourth Proportional to 10,906.10, 16,359.15 and 3,113.90

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Solution

The fourth proportional to 10,906.10, 16,359.15 and 3,113.90 is: 4,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.10 : 16,359.15 = 3,113.90 : x
  2. Step 2: Convert to fraction form
    10,906.10/16,359.15 = 3,113.90/x
  3. Step 3: Cross multiply
    10,906.10x = 16,359.15 × 3,113.90
  4. Step 4: Simplify right side
    10,906.10x = 50,940,757.19
  5. Step 5: Solve for x
    x = 50,940,757.19/10,906.10
  6. Step 6: Final answer
    x = 4,670.85

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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.