Home / 12,680.46-19,020.66-3,446.46

Finding the Fourth Proportional to 12,680.46, 19,020.66 and 3,446.46

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Solution

The fourth proportional to 12,680.46, 19,020.66 and 3,446.46 is: 5,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.46 : 19,020.66 = 3,446.46 : x
  2. Step 2: Convert to fraction form
    12,680.46/19,020.66 = 3,446.46/x
  3. Step 3: Cross multiply
    12,680.46x = 19,020.66 × 3,446.46
  4. Step 4: Simplify right side
    12,680.46x = 65,553,943.86
  5. Step 5: Solve for x
    x = 65,553,943.86/12,680.46
  6. Step 6: Final answer
    x = 5,169.68

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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.