Home / 11,321.52-16,982.28-6,395.31

Finding the Fourth Proportional to 11,321.52, 16,982.28 and 6,395.31

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Solution

The fourth proportional to 11,321.52, 16,982.28 and 6,395.31 is: 9,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.52 : 16,982.28 = 6,395.31 : x
  2. Step 2: Convert to fraction form
    11,321.52/16,982.28 = 6,395.31/x
  3. Step 3: Cross multiply
    11,321.52x = 16,982.28 × 6,395.31
  4. Step 4: Simplify right side
    11,321.52x = 108,606,945.11
  5. Step 5: Solve for x
    x = 108,606,945.11/11,321.52
  6. Step 6: Final answer
    x = 9,592.97

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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.