Home / 11,971.13-17,964.44-5,396.91

Finding the Fourth Proportional to 11,971.13, 17,964.44 and 5,396.91

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Solution

The fourth proportional to 11,971.13, 17,964.44 and 5,396.91 is: 8,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.13 : 17,964.44 = 5,396.91 : x
  2. Step 2: Convert to fraction form
    11,971.13/17,964.44 = 5,396.91/x
  3. Step 3: Cross multiply
    11,971.13x = 17,964.44 × 5,396.91
  4. Step 4: Simplify right side
    11,971.13x = 96,952,465.88
  5. Step 5: Solve for x
    x = 96,952,465.88/11,971.13
  6. Step 6: Final answer
    x = 8,098.86

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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.