Home / 22,268.68-30,731.24-12,197.54

Finding the Fourth Proportional to 22,268.68, 30,731.24 and 12,197.54

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Solution

The fourth proportional to 22,268.68, 30,731.24 and 12,197.54 is: 16,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.68 : 30,731.24 = 12,197.54 : x
  2. Step 2: Convert to fraction form
    22,268.68/30,731.24 = 12,197.54/x
  3. Step 3: Cross multiply
    22,268.68x = 30,731.24 × 12,197.54
  4. Step 4: Simplify right side
    22,268.68x = 374,845,529.15
  5. Step 5: Solve for x
    x = 374,845,529.15/22,268.68
  6. Step 6: Final answer
    x = 16,832.86

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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.