Home / 11,530.78-17,296.20-3,322.78

Finding the Fourth Proportional to 11,530.78, 17,296.20 and 3,322.78

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Solution

The fourth proportional to 11,530.78, 17,296.20 and 3,322.78 is: 4,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.78 : 17,296.20 = 3,322.78 : x
  2. Step 2: Convert to fraction form
    11,530.78/17,296.20 = 3,322.78/x
  3. Step 3: Cross multiply
    11,530.78x = 17,296.20 × 3,322.78
  4. Step 4: Simplify right side
    11,530.78x = 57,471,467.44
  5. Step 5: Solve for x
    x = 57,471,467.44/11,530.78
  6. Step 6: Final answer
    x = 4,984.18

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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.