Home / 11,185.92-16,778.82-3,394.74

Finding the Fourth Proportional to 11,185.92, 16,778.82 and 3,394.74

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Solution

The fourth proportional to 11,185.92, 16,778.82 and 3,394.74 is: 5,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.92 : 16,778.82 = 3,394.74 : x
  2. Step 2: Convert to fraction form
    11,185.92/16,778.82 = 3,394.74/x
  3. Step 3: Cross multiply
    11,185.92x = 16,778.82 × 3,394.74
  4. Step 4: Simplify right side
    11,185.92x = 56,959,731.41
  5. Step 5: Solve for x
    x = 56,959,731.41/11,185.92
  6. Step 6: Final answer
    x = 5,092.09

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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.