Home / 18,286.02-27,408.29-8,404.88

Finding the Fourth Proportional to 18,286.02, 27,408.29 and 8,404.88

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Solution

The fourth proportional to 18,286.02, 27,408.29 and 8,404.88 is: 12,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.02 : 27,408.29 = 8,404.88 : x
  2. Step 2: Convert to fraction form
    18,286.02/27,408.29 = 8,404.88/x
  3. Step 3: Cross multiply
    18,286.02x = 27,408.29 × 8,404.88
  4. Step 4: Simplify right side
    18,286.02x = 230,363,388.46
  5. Step 5: Solve for x
    x = 230,363,388.46/18,286.02
  6. Step 6: Final answer
    x = 12,597.79

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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.