Home / 12,133.44-18,205.92-5,976

Finding the Fourth Proportional to 12,133.44, 18,205.92 and 5,976

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Solution

The fourth proportional to 12,133.44, 18,205.92 and 5,976 is: 8,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.44 : 18,205.92 = 5,976 : x
  2. Step 2: Convert to fraction form
    12,133.44/18,205.92 = 5,976/x
  3. Step 3: Cross multiply
    12,133.44x = 18,205.92 × 5,976
  4. Step 4: Simplify right side
    12,133.44x = 108,798,577.92
  5. Step 5: Solve for x
    x = 108,798,577.92/12,133.44
  6. Step 6: Final answer
    x = 8,966.84

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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.