Home / 11,255.76-15,532.96-6,540.36

Finding the Fourth Proportional to 11,255.76, 15,532.96 and 6,540.36

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Solution

The fourth proportional to 11,255.76, 15,532.96 and 6,540.36 is: 9,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.76 : 15,532.96 = 6,540.36 : x
  2. Step 2: Convert to fraction form
    11,255.76/15,532.96 = 6,540.36/x
  3. Step 3: Cross multiply
    11,255.76x = 15,532.96 × 6,540.36
  4. Step 4: Simplify right side
    11,255.76x = 101,591,150.27
  5. Step 5: Solve for x
    x = 101,591,150.27/11,255.76
  6. Step 6: Final answer
    x = 9,025.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.