Home / 20,552.33-30,836.70-12,236.27

Finding the Fourth Proportional to 20,552.33, 30,836.70 and 12,236.27

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Solution

The fourth proportional to 20,552.33, 30,836.70 and 12,236.27 is: 18,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.33 : 30,836.70 = 12,236.27 : x
  2. Step 2: Convert to fraction form
    20,552.33/30,836.70 = 12,236.27/x
  3. Step 3: Cross multiply
    20,552.33x = 30,836.70 × 12,236.27
  4. Step 4: Simplify right side
    20,552.33x = 377,326,032.93
  5. Step 5: Solve for x
    x = 377,326,032.93/20,552.33
  6. Step 6: Final answer
    x = 18,359.28

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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.