Home / 11,542.72-17,321.37-6,621.97

Finding the Fourth Proportional to 11,542.72, 17,321.37 and 6,621.97

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Solution

The fourth proportional to 11,542.72, 17,321.37 and 6,621.97 is: 9,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.72 : 17,321.37 = 6,621.97 : x
  2. Step 2: Convert to fraction form
    11,542.72/17,321.37 = 6,621.97/x
  3. Step 3: Cross multiply
    11,542.72x = 17,321.37 × 6,621.97
  4. Step 4: Simplify right side
    11,542.72x = 114,701,592.50
  5. Step 5: Solve for x
    x = 114,701,592.50/11,542.72
  6. Step 6: Final answer
    x = 9,937.14

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1.5x scale

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.