Home / 19,277.20-28,910.40-6,133.60

Finding the Fourth Proportional to 19,277.20, 28,910.40 and 6,133.60

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Solution

The fourth proportional to 19,277.20, 28,910.40 and 6,133.60 is: 9,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.20 : 28,910.40 = 6,133.60 : x
  2. Step 2: Convert to fraction form
    19,277.20/28,910.40 = 6,133.60/x
  3. Step 3: Cross multiply
    19,277.20x = 28,910.40 × 6,133.60
  4. Step 4: Simplify right side
    19,277.20x = 177,324,829.44
  5. Step 5: Solve for x
    x = 177,324,829.44/19,277.20
  6. Step 6: Final answer
    x = 9,198.68

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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.