Home / 22,912.68-31,618.94-13,481.84

Finding the Fourth Proportional to 22,912.68, 31,618.94 and 13,481.84

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Solution

The fourth proportional to 22,912.68, 31,618.94 and 13,481.84 is: 18,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.68 : 31,618.94 = 13,481.84 : x
  2. Step 2: Convert to fraction form
    22,912.68/31,618.94 = 13,481.84/x
  3. Step 3: Cross multiply
    22,912.68x = 31,618.94 × 13,481.84
  4. Step 4: Simplify right side
    22,912.68x = 426,281,490.05
  5. Step 5: Solve for x
    x = 426,281,490.05/22,912.68
  6. Step 6: Final answer
    x = 18,604.61

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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.