Home / 19,909.26-29,876.31-11,149.92

Finding the Fourth Proportional to 19,909.26, 29,876.31 and 11,149.92

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Solution

The fourth proportional to 19,909.26, 29,876.31 and 11,149.92 is: 16,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.26 : 29,876.31 = 11,149.92 : x
  2. Step 2: Convert to fraction form
    19,909.26/29,876.31 = 11,149.92/x
  3. Step 3: Cross multiply
    19,909.26x = 29,876.31 × 11,149.92
  4. Step 4: Simplify right side
    19,909.26x = 333,118,466.40
  5. Step 5: Solve for x
    x = 333,118,466.40/19,909.26
  6. Step 6: Final answer
    x = 16,731.84

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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.