Home / 11,207.82-16,811.73-11,191.62

Finding the Fourth Proportional to 11,207.82, 16,811.73 and 11,191.62

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Solution

The fourth proportional to 11,207.82, 16,811.73 and 11,191.62 is: 16,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.82 : 16,811.73 = 11,191.62 : x
  2. Step 2: Convert to fraction form
    11,207.82/16,811.73 = 11,191.62/x
  3. Step 3: Cross multiply
    11,207.82x = 16,811.73 × 11,191.62
  4. Step 4: Simplify right side
    11,207.82x = 188,150,493.70
  5. Step 5: Solve for x
    x = 188,150,493.70/11,207.82
  6. Step 6: Final answer
    x = 16,787.43

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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.