Home / 11,380.82-15,704.26-6,905.66

Finding the Fourth Proportional to 11,380.82, 15,704.26 and 6,905.66

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Solution

The fourth proportional to 11,380.82, 15,704.26 and 6,905.66 is: 9,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.82 : 15,704.26 = 6,905.66 : x
  2. Step 2: Convert to fraction form
    11,380.82/15,704.26 = 6,905.66/x
  3. Step 3: Cross multiply
    11,380.82x = 15,704.26 × 6,905.66
  4. Step 4: Simplify right side
    11,380.82x = 108,448,184.33
  5. Step 5: Solve for x
    x = 108,448,184.33/11,380.82
  6. Step 6: Final answer
    x = 9,529.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.