Home / 11,975.88-17,947.62-9,379.56

Finding the Fourth Proportional to 11,975.88, 17,947.62 and 9,379.56

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Solution

The fourth proportional to 11,975.88, 17,947.62 and 9,379.56 is: 14,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.88 : 17,947.62 = 9,379.56 : x
  2. Step 2: Convert to fraction form
    11,975.88/17,947.62 = 9,379.56/x
  3. Step 3: Cross multiply
    11,975.88x = 17,947.62 × 9,379.56
  4. Step 4: Simplify right side
    11,975.88x = 168,340,778.65
  5. Step 5: Solve for x
    x = 168,340,778.65/11,975.88
  6. Step 6: Final answer
    x = 14,056.65

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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.