Home / 11,021.48-16,517.64-8,086.04

Finding the Fourth Proportional to 11,021.48, 16,517.64 and 8,086.04

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Solution

The fourth proportional to 11,021.48, 16,517.64 and 8,086.04 is: 12,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.48 : 16,517.64 = 8,086.04 : x
  2. Step 2: Convert to fraction form
    11,021.48/16,517.64 = 8,086.04/x
  3. Step 3: Cross multiply
    11,021.48x = 16,517.64 × 8,086.04
  4. Step 4: Simplify right side
    11,021.48x = 133,562,297.75
  5. Step 5: Solve for x
    x = 133,562,297.75/11,021.48
  6. Step 6: Final answer
    x = 12,118.36

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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.