Home / 8,268.24-12,401.88-2,112.24

Finding the Fourth Proportional to 8,268.24, 12,401.88 and 2,112.24

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Solution

The fourth proportional to 8,268.24, 12,401.88 and 2,112.24 is: 3,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.24 : 12,401.88 = 2,112.24 : x
  2. Step 2: Convert to fraction form
    8,268.24/12,401.88 = 2,112.24/x
  3. Step 3: Cross multiply
    8,268.24x = 12,401.88 × 2,112.24
  4. Step 4: Simplify right side
    8,268.24x = 26,195,747.01
  5. Step 5: Solve for x
    x = 26,195,747.01/8,268.24
  6. Step 6: Final answer
    x = 3,168.24

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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.