Home / 13,311.11-19,965.33-5,414.09

Finding the Fourth Proportional to 13,311.11, 19,965.33 and 5,414.09

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Solution

The fourth proportional to 13,311.11, 19,965.33 and 5,414.09 is: 8,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.11 : 19,965.33 = 5,414.09 : x
  2. Step 2: Convert to fraction form
    13,311.11/19,965.33 = 5,414.09/x
  3. Step 3: Cross multiply
    13,311.11x = 19,965.33 × 5,414.09
  4. Step 4: Simplify right side
    13,311.11x = 108,094,093.50
  5. Step 5: Solve for x
    x = 108,094,093.50/13,311.11
  6. Step 6: Final answer
    x = 8,120.59

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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.