Home / 21,745.62-32,619.60-6,162

Finding the Fourth Proportional to 21,745.62, 32,619.60 and 6,162

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Solution

The fourth proportional to 21,745.62, 32,619.60 and 6,162 is: 9,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.62 : 32,619.60 = 6,162 : x
  2. Step 2: Convert to fraction form
    21,745.62/32,619.60 = 6,162/x
  3. Step 3: Cross multiply
    21,745.62x = 32,619.60 × 6,162
  4. Step 4: Simplify right side
    21,745.62x = 201,001,975.20
  5. Step 5: Solve for x
    x = 201,001,975.20/21,745.62
  6. Step 6: Final answer
    x = 9,243.33

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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.