Home / 11,971.44-17,964.90-5,397.23

Finding the Fourth Proportional to 11,971.44, 17,964.90 and 5,397.23

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Solution

The fourth proportional to 11,971.44, 17,964.90 and 5,397.23 is: 8,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.44 : 17,964.90 = 5,397.23 : x
  2. Step 2: Convert to fraction form
    11,971.44/17,964.90 = 5,397.23/x
  3. Step 3: Cross multiply
    11,971.44x = 17,964.90 × 5,397.23
  4. Step 4: Simplify right side
    11,971.44x = 96,960,697.23
  5. Step 5: Solve for x
    x = 96,960,697.23/11,971.44
  6. Step 6: Final answer
    x = 8,099.33

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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.