Home / 19,270.10-28,910.86-6,791.04

Finding the Fourth Proportional to 19,270.10, 28,910.86 and 6,791.04

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Solution

The fourth proportional to 19,270.10, 28,910.86 and 6,791.04 is: 10,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.10 : 28,910.86 = 6,791.04 : x
  2. Step 2: Convert to fraction form
    19,270.10/28,910.86 = 6,791.04/x
  3. Step 3: Cross multiply
    19,270.10x = 28,910.86 × 6,791.04
  4. Step 4: Simplify right side
    19,270.10x = 196,334,789.72
  5. Step 5: Solve for x
    x = 196,334,789.72/19,270.10
  6. Step 6: Final answer
    x = 10,188.57

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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.