Home / 18,694.44-25,785.54-12,723.66

Finding the Fourth Proportional to 18,694.44, 25,785.54 and 12,723.66

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Solution

The fourth proportional to 18,694.44, 25,785.54 and 12,723.66 is: 17,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.44 : 25,785.54 = 12,723.66 : x
  2. Step 2: Convert to fraction form
    18,694.44/25,785.54 = 12,723.66/x
  3. Step 3: Cross multiply
    18,694.44x = 25,785.54 × 12,723.66
  4. Step 4: Simplify right side
    18,694.44x = 328,086,443.88
  5. Step 5: Solve for x
    x = 328,086,443.88/18,694.44
  6. Step 6: Final answer
    x = 17,549.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.