Home / 12,372.97-18,563.58-8,229.31

Finding the Fourth Proportional to 12,372.97, 18,563.58 and 8,229.31

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Solution

The fourth proportional to 12,372.97, 18,563.58 and 8,229.31 is: 12,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.97 : 18,563.58 = 8,229.31 : x
  2. Step 2: Convert to fraction form
    12,372.97/18,563.58 = 8,229.31/x
  3. Step 3: Cross multiply
    12,372.97x = 18,563.58 × 8,229.31
  4. Step 4: Simplify right side
    12,372.97x = 152,765,512.54
  5. Step 5: Solve for x
    x = 152,765,512.54/12,372.97
  6. Step 6: Final answer
    x = 12,346.71

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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.