Home / 22,121.60-33,181.98-5,481.66

Finding the Fourth Proportional to 22,121.60, 33,181.98 and 5,481.66

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Solution

The fourth proportional to 22,121.60, 33,181.98 and 5,481.66 is: 8,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.60 : 33,181.98 = 5,481.66 : x
  2. Step 2: Convert to fraction form
    22,121.60/33,181.98 = 5,481.66/x
  3. Step 3: Cross multiply
    22,121.60x = 33,181.98 × 5,481.66
  4. Step 4: Simplify right side
    22,121.60x = 181,892,332.49
  5. Step 5: Solve for x
    x = 181,892,332.49/22,121.60
  6. Step 6: Final answer
    x = 8,222.39

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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.