Home / 11,981.99-17,967.48-4,081.29

Finding the Fourth Proportional to 11,981.99, 17,967.48 and 4,081.29

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Solution

The fourth proportional to 11,981.99, 17,967.48 and 4,081.29 is: 6,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.99 : 17,967.48 = 4,081.29 : x
  2. Step 2: Convert to fraction form
    11,981.99/17,967.48 = 4,081.29/x
  3. Step 3: Cross multiply
    11,981.99x = 17,967.48 × 4,081.29
  4. Step 4: Simplify right side
    11,981.99x = 73,330,551.57
  5. Step 5: Solve for x
    x = 73,330,551.57/11,981.99
  6. Step 6: Final answer
    x = 6,120.06

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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.