Home / 16,908.11-25,365.35-5,218.59

Finding the Fourth Proportional to 16,908.11, 25,365.35 and 5,218.59

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Solution

The fourth proportional to 16,908.11, 25,365.35 and 5,218.59 is: 7,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.11 : 25,365.35 = 5,218.59 : x
  2. Step 2: Convert to fraction form
    16,908.11/25,365.35 = 5,218.59/x
  3. Step 3: Cross multiply
    16,908.11x = 25,365.35 × 5,218.59
  4. Step 4: Simplify right side
    16,908.11x = 132,371,470.02
  5. Step 5: Solve for x
    x = 132,371,470.02/16,908.11
  6. Step 6: Final answer
    x = 7,828.88

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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.