Home / 12,206.55-18,311.04-5,634.61

Finding the Fourth Proportional to 12,206.55, 18,311.04 and 5,634.61

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Solution

The fourth proportional to 12,206.55, 18,311.04 and 5,634.61 is: 8,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.55 : 18,311.04 = 5,634.61 : x
  2. Step 2: Convert to fraction form
    12,206.55/18,311.04 = 5,634.61/x
  3. Step 3: Cross multiply
    12,206.55x = 18,311.04 × 5,634.61
  4. Step 4: Simplify right side
    12,206.55x = 103,175,569.09
  5. Step 5: Solve for x
    x = 103,175,569.09/12,206.55
  6. Step 6: Final answer
    x = 8,452.48

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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.