Home / 12,346.22-18,519.94-3,581.82

Finding the Fourth Proportional to 12,346.22, 18,519.94 and 3,581.82

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Solution

The fourth proportional to 12,346.22, 18,519.94 and 3,581.82 is: 5,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.22 : 18,519.94 = 3,581.82 : x
  2. Step 2: Convert to fraction form
    12,346.22/18,519.94 = 3,581.82/x
  3. Step 3: Cross multiply
    12,346.22x = 18,519.94 × 3,581.82
  4. Step 4: Simplify right side
    12,346.22x = 66,335,095.97
  5. Step 5: Solve for x
    x = 66,335,095.97/12,346.22
  6. Step 6: Final answer
    x = 5,372.91

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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.