Home / 22,268.81-30,731.43-12,197.68

Finding the Fourth Proportional to 22,268.81, 30,731.43 and 12,197.68

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Solution

The fourth proportional to 22,268.81, 30,731.43 and 12,197.68 is: 16,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.81 : 30,731.43 = 12,197.68 : x
  2. Step 2: Convert to fraction form
    22,268.81/30,731.43 = 12,197.68/x
  3. Step 3: Cross multiply
    22,268.81x = 30,731.43 × 12,197.68
  4. Step 4: Simplify right side
    22,268.81x = 374,852,149.08
  5. Step 5: Solve for x
    x = 374,852,149.08/22,268.81
  6. Step 6: Final answer
    x = 16,833.06

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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.