Home / 11,927.66-17,891.82-3,162.56

Finding the Fourth Proportional to 11,927.66, 17,891.82 and 3,162.56

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Solution

The fourth proportional to 11,927.66, 17,891.82 and 3,162.56 is: 4,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.66 : 17,891.82 = 3,162.56 : x
  2. Step 2: Convert to fraction form
    11,927.66/17,891.82 = 3,162.56/x
  3. Step 3: Cross multiply
    11,927.66x = 17,891.82 × 3,162.56
  4. Step 4: Simplify right side
    11,927.66x = 56,583,998.99
  5. Step 5: Solve for x
    x = 56,583,998.99/11,927.66
  6. Step 6: Final answer
    x = 4,743.93

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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.