Home / 12,655.20-18,983.22-6,080.04

Finding the Fourth Proportional to 12,655.20, 18,983.22 and 6,080.04

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Solution

The fourth proportional to 12,655.20, 18,983.22 and 6,080.04 is: 9,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.20 : 18,983.22 = 6,080.04 : x
  2. Step 2: Convert to fraction form
    12,655.20/18,983.22 = 6,080.04/x
  3. Step 3: Cross multiply
    12,655.20x = 18,983.22 × 6,080.04
  4. Step 4: Simplify right side
    12,655.20x = 115,418,736.93
  5. Step 5: Solve for x
    x = 115,418,736.93/12,655.20
  6. Step 6: Final answer
    x = 9,120.26

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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.