Home / 20,744.02-31,103.52-8,265.97

Finding the Fourth Proportional to 20,744.02, 31,103.52 and 8,265.97

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Solution

The fourth proportional to 20,744.02, 31,103.52 and 8,265.97 is: 12,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.02 : 31,103.52 = 8,265.97 : x
  2. Step 2: Convert to fraction form
    20,744.02/31,103.52 = 8,265.97/x
  3. Step 3: Cross multiply
    20,744.02x = 31,103.52 × 8,265.97
  4. Step 4: Simplify right side
    20,744.02x = 257,100,763.21
  5. Step 5: Solve for x
    x = 257,100,763.21/20,744.02
  6. Step 6: Final answer
    x = 12,393.97

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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.