Home / 11,378.05-17,074.68-3,982.51

Finding the Fourth Proportional to 11,378.05, 17,074.68 and 3,982.51

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Solution

The fourth proportional to 11,378.05, 17,074.68 and 3,982.51 is: 5,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.05 : 17,074.68 = 3,982.51 : x
  2. Step 2: Convert to fraction form
    11,378.05/17,074.68 = 3,982.51/x
  3. Step 3: Cross multiply
    11,378.05x = 17,074.68 × 3,982.51
  4. Step 4: Simplify right side
    11,378.05x = 68,000,090.26
  5. Step 5: Solve for x
    x = 68,000,090.26/11,378.05
  6. Step 6: Final answer
    x = 5,976.43

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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.