Home / 11,321.44-16,982.88-3,530.56

Finding the Fourth Proportional to 11,321.44, 16,982.88 and 3,530.56

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Solution

The fourth proportional to 11,321.44, 16,982.88 and 3,530.56 is: 5,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.44 : 16,982.88 = 3,530.56 : x
  2. Step 2: Convert to fraction form
    11,321.44/16,982.88 = 3,530.56/x
  3. Step 3: Cross multiply
    11,321.44x = 16,982.88 × 3,530.56
  4. Step 4: Simplify right side
    11,321.44x = 59,959,076.81
  5. Step 5: Solve for x
    x = 59,959,076.81/11,321.44
  6. Step 6: Final answer
    x = 5,296.06

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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.