Home / 11,961.21-17,942.63-3,197.01

Finding the Fourth Proportional to 11,961.21, 17,942.63 and 3,197.01

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Solution

The fourth proportional to 11,961.21, 17,942.63 and 3,197.01 is: 4,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.21 : 17,942.63 = 3,197.01 : x
  2. Step 2: Convert to fraction form
    11,961.21/17,942.63 = 3,197.01/x
  3. Step 3: Cross multiply
    11,961.21x = 17,942.63 × 3,197.01
  4. Step 4: Simplify right side
    11,961.21x = 57,362,751.55
  5. Step 5: Solve for x
    x = 57,362,751.55/11,961.21
  6. Step 6: Final answer
    x = 4,795.73

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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.