Home / 14,001.92-20,997.94-4,138.56

Finding the Fourth Proportional to 14,001.92, 20,997.94 and 4,138.56

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Solution

The fourth proportional to 14,001.92, 20,997.94 and 4,138.56 is: 6,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.92 : 20,997.94 = 4,138.56 : x
  2. Step 2: Convert to fraction form
    14,001.92/20,997.94 = 4,138.56/x
  3. Step 3: Cross multiply
    14,001.92x = 20,997.94 × 4,138.56
  4. Step 4: Simplify right side
    14,001.92x = 86,901,234.57
  5. Step 5: Solve for x
    x = 86,901,234.57/14,001.92
  6. Step 6: Final answer
    x = 6,206.38

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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.