Home / 12,447.20-18,670.23-3,562.52

Finding the Fourth Proportional to 12,447.20, 18,670.23 and 3,562.52

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Solution

The fourth proportional to 12,447.20, 18,670.23 and 3,562.52 is: 5,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.20 : 18,670.23 = 3,562.52 : x
  2. Step 2: Convert to fraction form
    12,447.20/18,670.23 = 3,562.52/x
  3. Step 3: Cross multiply
    12,447.20x = 18,670.23 × 3,562.52
  4. Step 4: Simplify right side
    12,447.20x = 66,512,974.43
  5. Step 5: Solve for x
    x = 66,512,974.43/12,447.20
  6. Step 6: Final answer
    x = 5,343.61

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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.