Home / 20,581.24-30,804.52-11,197.84

Finding the Fourth Proportional to 20,581.24, 30,804.52 and 11,197.84

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Solution

The fourth proportional to 20,581.24, 30,804.52 and 11,197.84 is: 16,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.24 : 30,804.52 = 11,197.84 : x
  2. Step 2: Convert to fraction form
    20,581.24/30,804.52 = 11,197.84/x
  3. Step 3: Cross multiply
    20,581.24x = 30,804.52 × 11,197.84
  4. Step 4: Simplify right side
    20,581.24x = 344,944,086.24
  5. Step 5: Solve for x
    x = 344,944,086.24/20,581.24
  6. Step 6: Final answer
    x = 16,760.12

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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.