Home / 16,818.18-25,227.20-5,131.36

Finding the Fourth Proportional to 16,818.18, 25,227.20 and 5,131.36

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Solution

The fourth proportional to 16,818.18, 25,227.20 and 5,131.36 is: 7,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.18 : 25,227.20 = 5,131.36 : x
  2. Step 2: Convert to fraction form
    16,818.18/25,227.20 = 5,131.36/x
  3. Step 3: Cross multiply
    16,818.18x = 25,227.20 × 5,131.36
  4. Step 4: Simplify right side
    16,818.18x = 129,449,844.99
  5. Step 5: Solve for x
    x = 129,449,844.99/16,818.18
  6. Step 6: Final answer
    x = 7,697.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.