Home / 19,787.44-29,634.05-11,449.89

Finding the Fourth Proportional to 19,787.44, 29,634.05 and 11,449.89

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Solution

The fourth proportional to 19,787.44, 29,634.05 and 11,449.89 is: 17,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.44 : 29,634.05 = 11,449.89 : x
  2. Step 2: Convert to fraction form
    19,787.44/29,634.05 = 11,449.89/x
  3. Step 3: Cross multiply
    19,787.44x = 29,634.05 × 11,449.89
  4. Step 4: Simplify right side
    19,787.44x = 339,306,465.85
  5. Step 5: Solve for x
    x = 339,306,465.85/19,787.44
  6. Step 6: Final answer
    x = 17,147.57

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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.