Home / 11,982.35-17,975.64-4,084.41

Finding the Fourth Proportional to 11,982.35, 17,975.64 and 4,084.41

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Solution

The fourth proportional to 11,982.35, 17,975.64 and 4,084.41 is: 6,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.35 : 17,975.64 = 4,084.41 : x
  2. Step 2: Convert to fraction form
    11,982.35/17,975.64 = 4,084.41/x
  3. Step 3: Cross multiply
    11,982.35x = 17,975.64 × 4,084.41
  4. Step 4: Simplify right side
    11,982.35x = 73,419,883.77
  5. Step 5: Solve for x
    x = 73,419,883.77/11,982.35
  6. Step 6: Final answer
    x = 6,127.34

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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.