Home / 13,633.38-20,450.68-3,772.44

Finding the Fourth Proportional to 13,633.38, 20,450.68 and 3,772.44

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Solution

The fourth proportional to 13,633.38, 20,450.68 and 3,772.44 is: 5,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.38 : 20,450.68 = 3,772.44 : x
  2. Step 2: Convert to fraction form
    13,633.38/20,450.68 = 3,772.44/x
  3. Step 3: Cross multiply
    13,633.38x = 20,450.68 × 3,772.44
  4. Step 4: Simplify right side
    13,633.38x = 77,148,953.83
  5. Step 5: Solve for x
    x = 77,148,953.83/13,633.38
  6. Step 6: Final answer
    x = 5,658.83

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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.