Home / 9,198.42-12,693.68-5,612.56

Finding the Fourth Proportional to 9,198.42, 12,693.68 and 5,612.56

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Solution

The fourth proportional to 9,198.42, 12,693.68 and 5,612.56 is: 7,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.42 : 12,693.68 = 5,612.56 : x
  2. Step 2: Convert to fraction form
    9,198.42/12,693.68 = 5,612.56/x
  3. Step 3: Cross multiply
    9,198.42x = 12,693.68 × 5,612.56
  4. Step 4: Simplify right side
    9,198.42x = 71,244,040.62
  5. Step 5: Solve for x
    x = 71,244,040.62/9,198.42
  6. Step 6: Final answer
    x = 7,745.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.