Home / 11,927.53-17,891.70-3,163.33

Finding the Fourth Proportional to 11,927.53, 17,891.70 and 3,163.33

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Solution

The fourth proportional to 11,927.53, 17,891.70 and 3,163.33 is: 4,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.53 : 17,891.70 = 3,163.33 : x
  2. Step 2: Convert to fraction form
    11,927.53/17,891.70 = 3,163.33/x
  3. Step 3: Cross multiply
    11,927.53x = 17,891.70 × 3,163.33
  4. Step 4: Simplify right side
    11,927.53x = 56,597,351.36
  5. Step 5: Solve for x
    x = 56,597,351.36/11,927.53
  6. Step 6: Final answer
    x = 4,745.10

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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.