Home / 13,910.20-19,197.11-8,608.10

Finding the Fourth Proportional to 13,910.20, 19,197.11 and 8,608.10

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Solution

The fourth proportional to 13,910.20, 19,197.11 and 8,608.10 is: 11,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.20 : 19,197.11 = 8,608.10 : x
  2. Step 2: Convert to fraction form
    13,910.20/19,197.11 = 8,608.10/x
  3. Step 3: Cross multiply
    13,910.20x = 19,197.11 × 8,608.10
  4. Step 4: Simplify right side
    13,910.20x = 165,250,568.13
  5. Step 5: Solve for x
    x = 165,250,568.13/13,910.20
  6. Step 6: Final answer
    x = 11,879.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.