Home / 13,299.20-19,942.70-4,530.54

Finding the Fourth Proportional to 13,299.20, 19,942.70 and 4,530.54

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Solution

The fourth proportional to 13,299.20, 19,942.70 and 4,530.54 is: 6,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.20 : 19,942.70 = 4,530.54 : x
  2. Step 2: Convert to fraction form
    13,299.20/19,942.70 = 4,530.54/x
  3. Step 3: Cross multiply
    13,299.20x = 19,942.70 × 4,530.54
  4. Step 4: Simplify right side
    13,299.20x = 90,351,200.06
  5. Step 5: Solve for x
    x = 90,351,200.06/13,299.20
  6. Step 6: Final answer
    x = 6,793.73

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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.