Home / 12,452.02-18,680.76-3,687.61

Finding the Fourth Proportional to 12,452.02, 18,680.76 and 3,687.61

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Solution

The fourth proportional to 12,452.02, 18,680.76 and 3,687.61 is: 5,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.02 : 18,680.76 = 3,687.61 : x
  2. Step 2: Convert to fraction form
    12,452.02/18,680.76 = 3,687.61/x
  3. Step 3: Cross multiply
    12,452.02x = 18,680.76 × 3,687.61
  4. Step 4: Simplify right side
    12,452.02x = 68,887,338.95
  5. Step 5: Solve for x
    x = 68,887,338.95/12,452.02
  6. Step 6: Final answer
    x = 5,532.22

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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.