Home / 11,089.82-16,634.68-2,769.78

Finding the Fourth Proportional to 11,089.82, 16,634.68 and 2,769.78

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Solution

The fourth proportional to 11,089.82, 16,634.68 and 2,769.78 is: 4,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.82 : 16,634.68 = 2,769.78 : x
  2. Step 2: Convert to fraction form
    11,089.82/16,634.68 = 2,769.78/x
  3. Step 3: Cross multiply
    11,089.82x = 16,634.68 × 2,769.78
  4. Step 4: Simplify right side
    11,089.82x = 46,074,403.97
  5. Step 5: Solve for x
    x = 46,074,403.97/11,089.82
  6. Step 6: Final answer
    x = 4,154.66

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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.