Home / 11,971.26-17,956.90-3,763.26

Finding the Fourth Proportional to 11,971.26, 17,956.90 and 3,763.26

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Solution

The fourth proportional to 11,971.26, 17,956.90 and 3,763.26 is: 5,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.26 : 17,956.90 = 3,763.26 : x
  2. Step 2: Convert to fraction form
    11,971.26/17,956.90 = 3,763.26/x
  3. Step 3: Cross multiply
    11,971.26x = 17,956.90 × 3,763.26
  4. Step 4: Simplify right side
    11,971.26x = 67,576,483.49
  5. Step 5: Solve for x
    x = 67,576,483.49/11,971.26
  6. Step 6: Final answer
    x = 5,644.89

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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.