Home / 13,132.15-18,126.41-8,097.95

Finding the Fourth Proportional to 13,132.15, 18,126.41 and 8,097.95

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Solution

The fourth proportional to 13,132.15, 18,126.41 and 8,097.95 is: 11,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.15 : 18,126.41 = 8,097.95 : x
  2. Step 2: Convert to fraction form
    13,132.15/18,126.41 = 8,097.95/x
  3. Step 3: Cross multiply
    13,132.15x = 18,126.41 × 8,097.95
  4. Step 4: Simplify right side
    13,132.15x = 146,786,761.86
  5. Step 5: Solve for x
    x = 146,786,761.86/13,132.15
  6. Step 6: Final answer
    x = 11,177.66

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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.