Home / 11,944.10-16,481.94-6,638.60

Finding the Fourth Proportional to 11,944.10, 16,481.94 and 6,638.60

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Solution

The fourth proportional to 11,944.10, 16,481.94 and 6,638.60 is: 9,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.10 : 16,481.94 = 6,638.60 : x
  2. Step 2: Convert to fraction form
    11,944.10/16,481.94 = 6,638.60/x
  3. Step 3: Cross multiply
    11,944.10x = 16,481.94 × 6,638.60
  4. Step 4: Simplify right side
    11,944.10x = 109,417,006.88
  5. Step 5: Solve for x
    x = 109,417,006.88/11,944.10
  6. Step 6: Final answer
    x = 9,160.76

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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.