Home / 18,851.62-28,257.75-6,367.34

Finding the Fourth Proportional to 18,851.62, 28,257.75 and 6,367.34

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Solution

The fourth proportional to 18,851.62, 28,257.75 and 6,367.34 is: 9,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.62 : 28,257.75 = 6,367.34 : x
  2. Step 2: Convert to fraction form
    18,851.62/28,257.75 = 6,367.34/x
  3. Step 3: Cross multiply
    18,851.62x = 28,257.75 × 6,367.34
  4. Step 4: Simplify right side
    18,851.62x = 179,926,701.89
  5. Step 5: Solve for x
    x = 179,926,701.89/18,851.62
  6. Step 6: Final answer
    x = 9,544.36

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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.