Home / 19,191.97-28,791.60-6,715.54

Finding the Fourth Proportional to 19,191.97, 28,791.60 and 6,715.54

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Solution

The fourth proportional to 19,191.97, 28,791.60 and 6,715.54 is: 10,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.97 : 28,791.60 = 6,715.54 : x
  2. Step 2: Convert to fraction form
    19,191.97/28,791.60 = 6,715.54/x
  3. Step 3: Cross multiply
    19,191.97x = 28,791.60 × 6,715.54
  4. Step 4: Simplify right side
    19,191.97x = 193,351,141.46
  5. Step 5: Solve for x
    x = 193,351,141.46/19,191.97
  6. Step 6: Final answer
    x = 10,074.59

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1.5x scale

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.