Home / 11,314.11-16,943.46-7,974.15

Finding the Fourth Proportional to 11,314.11, 16,943.46 and 7,974.15

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Solution

The fourth proportional to 11,314.11, 16,943.46 and 7,974.15 is: 11,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.11 : 16,943.46 = 7,974.15 : x
  2. Step 2: Convert to fraction form
    11,314.11/16,943.46 = 7,974.15/x
  3. Step 3: Cross multiply
    11,314.11x = 16,943.46 × 7,974.15
  4. Step 4: Simplify right side
    11,314.11x = 135,109,691.56
  5. Step 5: Solve for x
    x = 135,109,691.56/11,314.11
  6. Step 6: Final answer
    x = 11,941.70

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1.5x scale

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.