Home / 11,137.32-16,704.24-4,120.68

Finding the Fourth Proportional to 11,137.32, 16,704.24 and 4,120.68

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Solution

The fourth proportional to 11,137.32, 16,704.24 and 4,120.68 is: 6,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.32 : 16,704.24 = 4,120.68 : x
  2. Step 2: Convert to fraction form
    11,137.32/16,704.24 = 4,120.68/x
  3. Step 3: Cross multiply
    11,137.32x = 16,704.24 × 4,120.68
  4. Step 4: Simplify right side
    11,137.32x = 68,832,827.68
  5. Step 5: Solve for x
    x = 68,832,827.68/11,137.32
  6. Step 6: Final answer
    x = 6,180.38

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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.