Home / 12,966.38-19,444.67-4,198.94

Finding the Fourth Proportional to 12,966.38, 19,444.67 and 4,198.94

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Solution

The fourth proportional to 12,966.38, 19,444.67 and 4,198.94 is: 6,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.38 : 19,444.67 = 4,198.94 : x
  2. Step 2: Convert to fraction form
    12,966.38/19,444.67 = 4,198.94/x
  3. Step 3: Cross multiply
    12,966.38x = 19,444.67 × 4,198.94
  4. Step 4: Simplify right side
    12,966.38x = 81,647,002.65
  5. Step 5: Solve for x
    x = 81,647,002.65/12,966.38
  6. Step 6: Final answer
    x = 6,296.82

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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.