Home / 10,977.92-16,469.97-4,408.72

Finding the Fourth Proportional to 10,977.92, 16,469.97 and 4,408.72

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Solution

The fourth proportional to 10,977.92, 16,469.97 and 4,408.72 is: 6,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.92 : 16,469.97 = 4,408.72 : x
  2. Step 2: Convert to fraction form
    10,977.92/16,469.97 = 4,408.72/x
  3. Step 3: Cross multiply
    10,977.92x = 16,469.97 × 4,408.72
  4. Step 4: Simplify right side
    10,977.92x = 72,611,464.09
  5. Step 5: Solve for x
    x = 72,611,464.09/10,977.92
  6. Step 6: Final answer
    x = 6,614.32

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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.