Home / 8,268.36-12,400.11-2,424.21

Finding the Fourth Proportional to 8,268.36, 12,400.11 and 2,424.21

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Solution

The fourth proportional to 8,268.36, 12,400.11 and 2,424.21 is: 3,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.36 : 12,400.11 = 2,424.21 : x
  2. Step 2: Convert to fraction form
    8,268.36/12,400.11 = 2,424.21/x
  3. Step 3: Cross multiply
    8,268.36x = 12,400.11 × 2,424.21
  4. Step 4: Simplify right side
    8,268.36x = 30,060,470.66
  5. Step 5: Solve for x
    x = 30,060,470.66/8,268.36
  6. Step 6: Final answer
    x = 3,635.60

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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.