Home / 18,414.58-27,634.28-6,728.98

Finding the Fourth Proportional to 18,414.58, 27,634.28 and 6,728.98

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Solution

The fourth proportional to 18,414.58, 27,634.28 and 6,728.98 is: 10,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.58 : 27,634.28 = 6,728.98 : x
  2. Step 2: Convert to fraction form
    18,414.58/27,634.28 = 6,728.98/x
  3. Step 3: Cross multiply
    18,414.58x = 27,634.28 × 6,728.98
  4. Step 4: Simplify right side
    18,414.58x = 185,950,517.43
  5. Step 5: Solve for x
    x = 185,950,517.43/18,414.58
  6. Step 6: Final answer
    x = 10,098.00

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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.