Home / 11,021.22-16,517.79-5,164.92

Finding the Fourth Proportional to 11,021.22, 16,517.79 and 5,164.92

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Solution

The fourth proportional to 11,021.22, 16,517.79 and 5,164.92 is: 7,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.22 : 16,517.79 = 5,164.92 : x
  2. Step 2: Convert to fraction form
    11,021.22/16,517.79 = 5,164.92/x
  3. Step 3: Cross multiply
    11,021.22x = 16,517.79 × 5,164.92
  4. Step 4: Simplify right side
    11,021.22x = 85,313,063.93
  5. Step 5: Solve for x
    x = 85,313,063.93/11,021.22
  6. Step 6: Final answer
    x = 7,740.80

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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.