Home / 19,821.46-27,344.37-11,862.94

Finding the Fourth Proportional to 19,821.46, 27,344.37 and 11,862.94

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Solution

The fourth proportional to 19,821.46, 27,344.37 and 11,862.94 is: 16,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.46 : 27,344.37 = 11,862.94 : x
  2. Step 2: Convert to fraction form
    19,821.46/27,344.37 = 11,862.94/x
  3. Step 3: Cross multiply
    19,821.46x = 27,344.37 × 11,862.94
  4. Step 4: Simplify right side
    19,821.46x = 324,384,620.65
  5. Step 5: Solve for x
    x = 324,384,620.65/19,821.46
  6. Step 6: Final answer
    x = 16,365.32

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