Home / 12,253.91-18,380.97-3,933.95

Finding the Fourth Proportional to 12,253.91, 18,380.97 and 3,933.95

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Solution

The fourth proportional to 12,253.91, 18,380.97 and 3,933.95 is: 5,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.91 : 18,380.97 = 3,933.95 : x
  2. Step 2: Convert to fraction form
    12,253.91/18,380.97 = 3,933.95/x
  3. Step 3: Cross multiply
    12,253.91x = 18,380.97 × 3,933.95
  4. Step 4: Simplify right side
    12,253.91x = 72,309,725.03
  5. Step 5: Solve for x
    x = 72,309,725.03/12,253.91
  6. Step 6: Final answer
    x = 5,900.95

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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.