Home / 8,100.16-12,131.33-6,236.48

Finding the Fourth Proportional to 8,100.16, 12,131.33 and 6,236.48

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Solution

The fourth proportional to 8,100.16, 12,131.33 and 6,236.48 is: 9,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.16 : 12,131.33 = 6,236.48 : x
  2. Step 2: Convert to fraction form
    8,100.16/12,131.33 = 6,236.48/x
  3. Step 3: Cross multiply
    8,100.16x = 12,131.33 × 6,236.48
  4. Step 4: Simplify right side
    8,100.16x = 75,656,796.92
  5. Step 5: Solve for x
    x = 75,656,796.92/8,100.16
  6. Step 6: Final answer
    x = 9,340.16

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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.