Home / 18,440.20-27,660.27-4,589.20

Finding the Fourth Proportional to 18,440.20, 27,660.27 and 4,589.20

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Solution

The fourth proportional to 18,440.20, 27,660.27 and 4,589.20 is: 6,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.20 : 27,660.27 = 4,589.20 : x
  2. Step 2: Convert to fraction form
    18,440.20/27,660.27 = 4,589.20/x
  3. Step 3: Cross multiply
    18,440.20x = 27,660.27 × 4,589.20
  4. Step 4: Simplify right side
    18,440.20x = 126,938,511.08
  5. Step 5: Solve for x
    x = 126,938,511.08/18,440.20
  6. Step 6: Final answer
    x = 6,883.79

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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.