Home / 18,433.98-27,634.37-12,512.88

Finding the Fourth Proportional to 18,433.98, 27,634.37 and 12,512.88

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Solution

The fourth proportional to 18,433.98, 27,634.37 and 12,512.88 is: 18,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.98 : 27,634.37 = 12,512.88 : x
  2. Step 2: Convert to fraction form
    18,433.98/27,634.37 = 12,512.88/x
  3. Step 3: Cross multiply
    18,433.98x = 27,634.37 × 12,512.88
  4. Step 4: Simplify right side
    18,433.98x = 345,785,493.12
  5. Step 5: Solve for x
    x = 345,785,493.12/18,433.98
  6. Step 6: Final answer
    x = 18,758.05

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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.