Home / 11,758.39-17,639.25-3,439.04

Finding the Fourth Proportional to 11,758.39, 17,639.25 and 3,439.04

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Solution

The fourth proportional to 11,758.39, 17,639.25 and 3,439.04 is: 5,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.39 : 17,639.25 = 3,439.04 : x
  2. Step 2: Convert to fraction form
    11,758.39/17,639.25 = 3,439.04/x
  3. Step 3: Cross multiply
    11,758.39x = 17,639.25 × 3,439.04
  4. Step 4: Simplify right side
    11,758.39x = 60,661,998.12
  5. Step 5: Solve for x
    x = 60,661,998.12/11,758.39
  6. Step 6: Final answer
    x = 5,159.04

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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.