Home / 18,289.96-27,414.20-8,408.84

Finding the Fourth Proportional to 18,289.96, 27,414.20 and 8,408.84

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Solution

The fourth proportional to 18,289.96, 27,414.20 and 8,408.84 is: 12,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.96 : 27,414.20 = 8,408.84 : x
  2. Step 2: Convert to fraction form
    18,289.96/27,414.20 = 8,408.84/x
  3. Step 3: Cross multiply
    18,289.96x = 27,414.20 × 8,408.84
  4. Step 4: Simplify right side
    18,289.96x = 230,521,621.53
  5. Step 5: Solve for x
    x = 230,521,621.53/18,289.96
  6. Step 6: Final answer
    x = 12,603.72

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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.