Home / 11,759.55-17,639.33-3,439.23

Finding the Fourth Proportional to 11,759.55, 17,639.33 and 3,439.23

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Solution

The fourth proportional to 11,759.55, 17,639.33 and 3,439.23 is: 5,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.55 : 17,639.33 = 3,439.23 : x
  2. Step 2: Convert to fraction form
    11,759.55/17,639.33 = 3,439.23/x
  3. Step 3: Cross multiply
    11,759.55x = 17,639.33 × 3,439.23
  4. Step 4: Simplify right side
    11,759.55x = 60,665,695.72
  5. Step 5: Solve for x
    x = 60,665,695.72/11,759.55
  6. Step 6: Final answer
    x = 5,158.85

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Similar ratio
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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.