Home / 18,227.27-25,158.32-11,869.73

Finding the Fourth Proportional to 18,227.27, 25,158.32 and 11,869.73

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Solution

The fourth proportional to 18,227.27, 25,158.32 and 11,869.73 is: 16,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.27 : 25,158.32 = 11,869.73 : x
  2. Step 2: Convert to fraction form
    18,227.27/25,158.32 = 11,869.73/x
  3. Step 3: Cross multiply
    18,227.27x = 25,158.32 × 11,869.73
  4. Step 4: Simplify right side
    18,227.27x = 298,622,280.51
  5. Step 5: Solve for x
    x = 298,622,280.51/18,227.27
  6. Step 6: Final answer
    x = 16,383.27

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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.