Home / 20,601.92-30,873.32-11,221.44

Finding the Fourth Proportional to 20,601.92, 30,873.32 and 11,221.44

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Solution

The fourth proportional to 20,601.92, 30,873.32 and 11,221.44 is: 16,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.92 : 30,873.32 = 11,221.44 : x
  2. Step 2: Convert to fraction form
    20,601.92/30,873.32 = 11,221.44/x
  3. Step 3: Cross multiply
    20,601.92x = 30,873.32 × 11,221.44
  4. Step 4: Simplify right side
    20,601.92x = 346,443,107.98
  5. Step 5: Solve for x
    x = 346,443,107.98/20,601.92
  6. Step 6: Final answer
    x = 16,816.06

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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.