Home / 18,796.11-28,199.70-5,650.50

Finding the Fourth Proportional to 18,796.11, 28,199.70 and 5,650.50

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Solution

The fourth proportional to 18,796.11, 28,199.70 and 5,650.50 is: 8,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.11 : 28,199.70 = 5,650.50 : x
  2. Step 2: Convert to fraction form
    18,796.11/28,199.70 = 5,650.50/x
  3. Step 3: Cross multiply
    18,796.11x = 28,199.70 × 5,650.50
  4. Step 4: Simplify right side
    18,796.11x = 159,342,404.85
  5. Step 5: Solve for x
    x = 159,342,404.85/18,796.11
  6. Step 6: Final answer
    x = 8,477.41

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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.