Home / 20,330.01-30,493.22-7,181.73

Finding the Fourth Proportional to 20,330.01, 30,493.22 and 7,181.73

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Solution

The fourth proportional to 20,330.01, 30,493.22 and 7,181.73 is: 10,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330.01 : 30,493.22 = 7,181.73 : x
  2. Step 2: Convert to fraction form
    20,330.01/30,493.22 = 7,181.73/x
  3. Step 3: Cross multiply
    20,330.01x = 30,493.22 × 7,181.73
  4. Step 4: Simplify right side
    20,330.01x = 218,994,036.96
  5. Step 5: Solve for x
    x = 218,994,036.96/20,330.01
  6. Step 6: Final answer
    x = 10,771.96

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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.