Home / 22,764.11-31,406.24-13,198.73

Finding the Fourth Proportional to 22,764.11, 31,406.24 and 13,198.73

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Solution

The fourth proportional to 22,764.11, 31,406.24 and 13,198.73 is: 18,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.11 : 31,406.24 = 13,198.73 : x
  2. Step 2: Convert to fraction form
    22,764.11/31,406.24 = 13,198.73/x
  3. Step 3: Cross multiply
    22,764.11x = 31,406.24 × 13,198.73
  4. Step 4: Simplify right side
    22,764.11x = 414,522,482.08
  5. Step 5: Solve for x
    x = 414,522,482.08/22,764.11
  6. Step 6: Final answer
    x = 18,209.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.