Home / 19,201.92-28,811.22-6,730.86

Finding the Fourth Proportional to 19,201.92, 28,811.22 and 6,730.86

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Solution

The fourth proportional to 19,201.92, 28,811.22 and 6,730.86 is: 10,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.92 : 28,811.22 = 6,730.86 : x
  2. Step 2: Convert to fraction form
    19,201.92/28,811.22 = 6,730.86/x
  3. Step 3: Cross multiply
    19,201.92x = 28,811.22 × 6,730.86
  4. Step 4: Simplify right side
    19,201.92x = 193,924,288.25
  5. Step 5: Solve for x
    x = 193,924,288.25/19,201.92
  6. Step 6: Final answer
    x = 10,099.21

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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.