Home / 10,198.14-15,293.97-3,957.72

Finding the Fourth Proportional to 10,198.14, 15,293.97 and 3,957.72

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Solution

The fourth proportional to 10,198.14, 15,293.97 and 3,957.72 is: 5,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.14 : 15,293.97 = 3,957.72 : x
  2. Step 2: Convert to fraction form
    10,198.14/15,293.97 = 3,957.72/x
  3. Step 3: Cross multiply
    10,198.14x = 15,293.97 × 3,957.72
  4. Step 4: Simplify right side
    10,198.14x = 60,529,250.95
  5. Step 5: Solve for x
    x = 60,529,250.95/10,198.14
  6. Step 6: Final answer
    x = 5,935.32

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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.