Home / 19,198.85-28,801.29-6,718.56

Finding the Fourth Proportional to 19,198.85, 28,801.29 and 6,718.56

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Solution

The fourth proportional to 19,198.85, 28,801.29 and 6,718.56 is: 10,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.85 : 28,801.29 = 6,718.56 : x
  2. Step 2: Convert to fraction form
    19,198.85/28,801.29 = 6,718.56/x
  3. Step 3: Cross multiply
    19,198.85x = 28,801.29 × 6,718.56
  4. Step 4: Simplify right side
    19,198.85x = 193,503,194.94
  5. Step 5: Solve for x
    x = 193,503,194.94/19,198.85
  6. Step 6: Final answer
    x = 10,078.90

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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.