Home / 11,982.77-17,975.72-3,661.34

Finding the Fourth Proportional to 11,982.77, 17,975.72 and 3,661.34

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Solution

The fourth proportional to 11,982.77, 17,975.72 and 3,661.34 is: 5,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.77 : 17,975.72 = 3,661.34 : x
  2. Step 2: Convert to fraction form
    11,982.77/17,975.72 = 3,661.34/x
  3. Step 3: Cross multiply
    11,982.77x = 17,975.72 × 3,661.34
  4. Step 4: Simplify right side
    11,982.77x = 65,815,141.94
  5. Step 5: Solve for x
    x = 65,815,141.94/11,982.77
  6. Step 6: Final answer
    x = 5,492.48

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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.