Home / 16,768.45-25,163.61-6,380.20

Finding the Fourth Proportional to 16,768.45, 25,163.61 and 6,380.20

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Solution

The fourth proportional to 16,768.45, 25,163.61 and 6,380.20 is: 9,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.45 : 25,163.61 = 6,380.20 : x
  2. Step 2: Convert to fraction form
    16,768.45/25,163.61 = 6,380.20/x
  3. Step 3: Cross multiply
    16,768.45x = 25,163.61 × 6,380.20
  4. Step 4: Simplify right side
    16,768.45x = 160,548,706.80
  5. Step 5: Solve for x
    x = 160,548,706.80/16,768.45
  6. Step 6: Final answer
    x = 9,574.45

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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.