Home / 23,121.64-34,682.22-12,022.60

Finding the Fourth Proportional to 23,121.64, 34,682.22 and 12,022.60

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Solution

The fourth proportional to 23,121.64, 34,682.22 and 12,022.60 is: 18,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.64 : 34,682.22 = 12,022.60 : x
  2. Step 2: Convert to fraction form
    23,121.64/34,682.22 = 12,022.60/x
  3. Step 3: Cross multiply
    23,121.64x = 34,682.22 × 12,022.60
  4. Step 4: Simplify right side
    23,121.64x = 416,970,458.17
  5. Step 5: Solve for x
    x = 416,970,458.17/23,121.64
  6. Step 6: Final answer
    x = 18,033.78

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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.