Home / 19,906.26-29,849.31-11,138.82

Finding the Fourth Proportional to 19,906.26, 29,849.31 and 11,138.82

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Solution

The fourth proportional to 19,906.26, 29,849.31 and 11,138.82 is: 16,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.26 : 29,849.31 = 11,138.82 : x
  2. Step 2: Convert to fraction form
    19,906.26/29,849.31 = 11,138.82/x
  3. Step 3: Cross multiply
    19,906.26x = 29,849.31 × 11,138.82
  4. Step 4: Simplify right side
    19,906.26x = 332,486,091.21
  5. Step 5: Solve for x
    x = 332,486,091.21/19,906.26
  6. Step 6: Final answer
    x = 16,702.59

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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.