Home / 11,922.78-17,884.44-4,530.72

Finding the Fourth Proportional to 11,922.78, 17,884.44 and 4,530.72

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Solution

The fourth proportional to 11,922.78, 17,884.44 and 4,530.72 is: 6,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.78 : 17,884.44 = 4,530.72 : x
  2. Step 2: Convert to fraction form
    11,922.78/17,884.44 = 4,530.72/x
  3. Step 3: Cross multiply
    11,922.78x = 17,884.44 × 4,530.72
  4. Step 4: Simplify right side
    11,922.78x = 81,029,390.00
  5. Step 5: Solve for x
    x = 81,029,390.00/11,922.78
  6. Step 6: Final answer
    x = 6,796.18

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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.