Home / 11,185.54-16,778.36-3,394.42

Finding the Fourth Proportional to 11,185.54, 16,778.36 and 3,394.42

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Solution

The fourth proportional to 11,185.54, 16,778.36 and 3,394.42 is: 5,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.54 : 16,778.36 = 3,394.42 : x
  2. Step 2: Convert to fraction form
    11,185.54/16,778.36 = 3,394.42/x
  3. Step 3: Cross multiply
    11,185.54x = 16,778.36 × 3,394.42
  4. Step 4: Simplify right side
    11,185.54x = 56,952,783.78
  5. Step 5: Solve for x
    x = 56,952,783.78/11,185.54
  6. Step 6: Final answer
    x = 5,091.64

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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.