Home / 19,948.68-29,911.68-8,255.52

Finding the Fourth Proportional to 19,948.68, 29,911.68 and 8,255.52

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Solution

The fourth proportional to 19,948.68, 29,911.68 and 8,255.52 is: 12,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.68 : 29,911.68 = 8,255.52 : x
  2. Step 2: Convert to fraction form
    19,948.68/29,911.68 = 8,255.52/x
  3. Step 3: Cross multiply
    19,948.68x = 29,911.68 × 8,255.52
  4. Step 4: Simplify right side
    19,948.68x = 246,936,472.47
  5. Step 5: Solve for x
    x = 246,936,472.47/19,948.68
  6. Step 6: Final answer
    x = 12,378.59

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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.