Home / 18,140.28-27,215.27-7,604.61

Finding the Fourth Proportional to 18,140.28, 27,215.27 and 7,604.61

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Solution

The fourth proportional to 18,140.28, 27,215.27 and 7,604.61 is: 11,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.28 : 27,215.27 = 7,604.61 : x
  2. Step 2: Convert to fraction form
    18,140.28/27,215.27 = 7,604.61/x
  3. Step 3: Cross multiply
    18,140.28x = 27,215.27 × 7,604.61
  4. Step 4: Simplify right side
    18,140.28x = 206,961,514.39
  5. Step 5: Solve for x
    x = 206,961,514.39/18,140.28
  6. Step 6: Final answer
    x = 11,408.95

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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.