Home / 11,439.64-17,163.51-4,042.18

Finding the Fourth Proportional to 11,439.64, 17,163.51 and 4,042.18

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Solution

The fourth proportional to 11,439.64, 17,163.51 and 4,042.18 is: 6,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.64 : 17,163.51 = 4,042.18 : x
  2. Step 2: Convert to fraction form
    11,439.64/17,163.51 = 4,042.18/x
  3. Step 3: Cross multiply
    11,439.64x = 17,163.51 × 4,042.18
  4. Step 4: Simplify right side
    11,439.64x = 69,377,996.85
  5. Step 5: Solve for x
    x = 69,377,996.85/11,439.64
  6. Step 6: Final answer
    x = 6,064.70

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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.