Home / 11,876.44-16,372.38-8,328.64

Finding the Fourth Proportional to 11,876.44, 16,372.38 and 8,328.64

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Solution

The fourth proportional to 11,876.44, 16,372.38 and 8,328.64 is: 11,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.44 : 16,372.38 = 8,328.64 : x
  2. Step 2: Convert to fraction form
    11,876.44/16,372.38 = 8,328.64/x
  3. Step 3: Cross multiply
    11,876.44x = 16,372.38 × 8,328.64
  4. Step 4: Simplify right side
    11,876.44x = 136,359,658.96
  5. Step 5: Solve for x
    x = 136,359,658.96/11,876.44
  6. Step 6: Final answer
    x = 11,481.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.