Home / 18,414.30-27,621.45-15,908.70

Finding the Fourth Proportional to 18,414.30, 27,621.45 and 15,908.70

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Solution

The fourth proportional to 18,414.30, 27,621.45 and 15,908.70 is: 23,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.30 : 27,621.45 = 15,908.70 : x
  2. Step 2: Convert to fraction form
    18,414.30/27,621.45 = 15,908.70/x
  3. Step 3: Cross multiply
    18,414.30x = 27,621.45 × 15,908.70
  4. Step 4: Simplify right side
    18,414.30x = 439,421,361.62
  5. Step 5: Solve for x
    x = 439,421,361.62/18,414.30
  6. Step 6: Final answer
    x = 23,863.05

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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.