Home / 11,186.66-16,778.90-3,395.54

Finding the Fourth Proportional to 11,186.66, 16,778.90 and 3,395.54

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Solution

The fourth proportional to 11,186.66, 16,778.90 and 3,395.54 is: 5,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.66 : 16,778.90 = 3,395.54 : x
  2. Step 2: Convert to fraction form
    11,186.66/16,778.90 = 3,395.54/x
  3. Step 3: Cross multiply
    11,186.66x = 16,778.90 × 3,395.54
  4. Step 4: Simplify right side
    11,186.66x = 56,973,426.11
  5. Step 5: Solve for x
    x = 56,973,426.11/11,186.66
  6. Step 6: Final answer
    x = 5,092.98

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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.