Home / 19,486.52-29,229.78-8,949.56

Finding the Fourth Proportional to 19,486.52, 29,229.78 and 8,949.56

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Solution

The fourth proportional to 19,486.52, 29,229.78 and 8,949.56 is: 13,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.52 : 29,229.78 = 8,949.56 : x
  2. Step 2: Convert to fraction form
    19,486.52/29,229.78 = 8,949.56/x
  3. Step 3: Cross multiply
    19,486.52x = 29,229.78 × 8,949.56
  4. Step 4: Simplify right side
    19,486.52x = 261,593,669.90
  5. Step 5: Solve for x
    x = 261,593,669.90/19,486.52
  6. Step 6: Final answer
    x = 13,424.34

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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.