Home / 11,228.76-16,819.92-5,367.60

Finding the Fourth Proportional to 11,228.76, 16,819.92 and 5,367.60

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Solution

The fourth proportional to 11,228.76, 16,819.92 and 5,367.60 is: 8,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.76 : 16,819.92 = 5,367.60 : x
  2. Step 2: Convert to fraction form
    11,228.76/16,819.92 = 5,367.60/x
  3. Step 3: Cross multiply
    11,228.76x = 16,819.92 × 5,367.60
  4. Step 4: Simplify right side
    11,228.76x = 90,282,602.59
  5. Step 5: Solve for x
    x = 90,282,602.59/11,228.76
  6. Step 6: Final answer
    x = 8,040.30

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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.