Home / 12,674.45-19,010.19-3,908.61

Finding the Fourth Proportional to 12,674.45, 19,010.19 and 3,908.61

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Solution

The fourth proportional to 12,674.45, 19,010.19 and 3,908.61 is: 5,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.45 : 19,010.19 = 3,908.61 : x
  2. Step 2: Convert to fraction form
    12,674.45/19,010.19 = 3,908.61/x
  3. Step 3: Cross multiply
    12,674.45x = 19,010.19 × 3,908.61
  4. Step 4: Simplify right side
    12,674.45x = 74,303,418.74
  5. Step 5: Solve for x
    x = 74,303,418.74/12,674.45
  6. Step 6: Final answer
    x = 5,862.46

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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.