Home / 12,204.54-18,306.41-8,257.61

Finding the Fourth Proportional to 12,204.54, 18,306.41 and 8,257.61

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Solution

The fourth proportional to 12,204.54, 18,306.41 and 8,257.61 is: 12,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.54 : 18,306.41 = 8,257.61 : x
  2. Step 2: Convert to fraction form
    12,204.54/18,306.41 = 8,257.61/x
  3. Step 3: Cross multiply
    12,204.54x = 18,306.41 × 8,257.61
  4. Step 4: Simplify right side
    12,204.54x = 151,167,198.76
  5. Step 5: Solve for x
    x = 151,167,198.76/12,204.54
  6. Step 6: Final answer
    x = 12,386.14

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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.