Home / 13,200.30-19,793.97-4,879.98

Finding the Fourth Proportional to 13,200.30, 19,793.97 and 4,879.98

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Solution

The fourth proportional to 13,200.30, 19,793.97 and 4,879.98 is: 7,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.30 : 19,793.97 = 4,879.98 : x
  2. Step 2: Convert to fraction form
    13,200.30/19,793.97 = 4,879.98/x
  3. Step 3: Cross multiply
    13,200.30x = 19,793.97 × 4,879.98
  4. Step 4: Simplify right side
    13,200.30x = 96,594,177.72
  5. Step 5: Solve for x
    x = 96,594,177.72/13,200.30
  6. Step 6: Final answer
    x = 7,317.57

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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.