Home / 20,261.24-30,396.96-6,221.96

Finding the Fourth Proportional to 20,261.24, 30,396.96 and 6,221.96

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Solution

The fourth proportional to 20,261.24, 30,396.96 and 6,221.96 is: 9,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.24 : 30,396.96 = 6,221.96 : x
  2. Step 2: Convert to fraction form
    20,261.24/30,396.96 = 6,221.96/x
  3. Step 3: Cross multiply
    20,261.24x = 30,396.96 × 6,221.96
  4. Step 4: Simplify right side
    20,261.24x = 189,128,669.24
  5. Step 5: Solve for x
    x = 189,128,669.24/20,261.24
  6. Step 6: Final answer
    x = 9,334.51

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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.