Home / 11,972.11-17,960.01-4,179.10

Finding the Fourth Proportional to 11,972.11, 17,960.01 and 4,179.10

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Solution

The fourth proportional to 11,972.11, 17,960.01 and 4,179.10 is: 6,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.11 : 17,960.01 = 4,179.10 : x
  2. Step 2: Convert to fraction form
    11,972.11/17,960.01 = 4,179.10/x
  3. Step 3: Cross multiply
    11,972.11x = 17,960.01 × 4,179.10
  4. Step 4: Simplify right side
    11,972.11x = 75,056,677.79
  5. Step 5: Solve for x
    x = 75,056,677.79/11,972.11
  6. Step 6: Final answer
    x = 6,269.29

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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.