Home / 11,971.87-17,960.99-9,867.34

Finding the Fourth Proportional to 11,971.87, 17,960.99 and 9,867.34

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Solution

The fourth proportional to 11,971.87, 17,960.99 and 9,867.34 is: 14,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.87 : 17,960.99 = 9,867.34 : x
  2. Step 2: Convert to fraction form
    11,971.87/17,960.99 = 9,867.34/x
  3. Step 3: Cross multiply
    11,971.87x = 17,960.99 × 9,867.34
  4. Step 4: Simplify right side
    11,971.87x = 177,227,122.65
  5. Step 5: Solve for x
    x = 177,227,122.65/11,971.87
  6. Step 6: Final answer
    x = 14,803.63

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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.