Home / 11,187.75-16,771.18-3,787.05

Finding the Fourth Proportional to 11,187.75, 16,771.18 and 3,787.05

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Solution

The fourth proportional to 11,187.75, 16,771.18 and 3,787.05 is: 5,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.75 : 16,771.18 = 3,787.05 : x
  2. Step 2: Convert to fraction form
    11,187.75/16,771.18 = 3,787.05/x
  3. Step 3: Cross multiply
    11,187.75x = 16,771.18 × 3,787.05
  4. Step 4: Simplify right side
    11,187.75x = 63,513,297.22
  5. Step 5: Solve for x
    x = 63,513,297.22/11,187.75
  6. Step 6: Final answer
    x = 5,677.04

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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.