Home / 12,007.02-18,013.68-3,687.24

Finding the Fourth Proportional to 12,007.02, 18,013.68 and 3,687.24

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Solution

The fourth proportional to 12,007.02, 18,013.68 and 3,687.24 is: 5,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.02 : 18,013.68 = 3,687.24 : x
  2. Step 2: Convert to fraction form
    12,007.02/18,013.68 = 3,687.24/x
  3. Step 3: Cross multiply
    12,007.02x = 18,013.68 × 3,687.24
  4. Step 4: Simplify right side
    12,007.02x = 66,420,761.44
  5. Step 5: Solve for x
    x = 66,420,761.44/12,007.02
  6. Step 6: Final answer
    x = 5,531.83

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1.5x scale

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.