Home / 16,080.80-24,122.40-5,691.20

Finding the Fourth Proportional to 16,080.80, 24,122.40 and 5,691.20

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Solution

The fourth proportional to 16,080.80, 24,122.40 and 5,691.20 is: 8,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,080.80 : 24,122.40 = 5,691.20 : x
  2. Step 2: Convert to fraction form
    16,080.80/24,122.40 = 5,691.20/x
  3. Step 3: Cross multiply
    16,080.80x = 24,122.40 × 5,691.20
  4. Step 4: Simplify right side
    16,080.80x = 137,285,402.88
  5. Step 5: Solve for x
    x = 137,285,402.88/16,080.80
  6. Step 6: Final answer
    x = 8,537.22

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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.