Home / 19,540.44-29,318.82-12,151.08

Finding the Fourth Proportional to 19,540.44, 29,318.82 and 12,151.08

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Solution

The fourth proportional to 19,540.44, 29,318.82 and 12,151.08 is: 18,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.44 : 29,318.82 = 12,151.08 : x
  2. Step 2: Convert to fraction form
    19,540.44/29,318.82 = 12,151.08/x
  3. Step 3: Cross multiply
    19,540.44x = 29,318.82 × 12,151.08
  4. Step 4: Simplify right side
    19,540.44x = 356,255,327.33
  5. Step 5: Solve for x
    x = 356,255,327.33/19,540.44
  6. Step 6: Final answer
    x = 18,231.69

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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.