Home / 21,921.14-32,902.23-12,046.84

Finding the Fourth Proportional to 21,921.14, 32,902.23 and 12,046.84

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Solution

The fourth proportional to 21,921.14, 32,902.23 and 12,046.84 is: 18,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.14 : 32,902.23 = 12,046.84 : x
  2. Step 2: Convert to fraction form
    21,921.14/32,902.23 = 12,046.84/x
  3. Step 3: Cross multiply
    21,921.14x = 32,902.23 × 12,046.84
  4. Step 4: Simplify right side
    21,921.14x = 396,367,900.45
  5. Step 5: Solve for x
    x = 396,367,900.45/21,921.14
  6. Step 6: Final answer
    x = 18,081.54

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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.