Home / 12,759.20-17,604.04-8,045.04

Finding the Fourth Proportional to 12,759.20, 17,604.04 and 8,045.04

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Solution

The fourth proportional to 12,759.20, 17,604.04 and 8,045.04 is: 11,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.20 : 17,604.04 = 8,045.04 : x
  2. Step 2: Convert to fraction form
    12,759.20/17,604.04 = 8,045.04/x
  3. Step 3: Cross multiply
    12,759.20x = 17,604.04 × 8,045.04
  4. Step 4: Simplify right side
    12,759.20x = 141,625,205.96
  5. Step 5: Solve for x
    x = 141,625,205.96/12,759.20
  6. Step 6: Final answer
    x = 11,099.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.