Home / 12,504.80-18,755.84-4,183.88

Finding the Fourth Proportional to 12,504.80, 18,755.84 and 4,183.88

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Solution

The fourth proportional to 12,504.80, 18,755.84 and 4,183.88 is: 6,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.80 : 18,755.84 = 4,183.88 : x
  2. Step 2: Convert to fraction form
    12,504.80/18,755.84 = 4,183.88/x
  3. Step 3: Cross multiply
    12,504.80x = 18,755.84 × 4,183.88
  4. Step 4: Simplify right side
    12,504.80x = 78,472,069.16
  5. Step 5: Solve for x
    x = 78,472,069.16/12,504.80
  6. Step 6: Final answer
    x = 6,275.36

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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.