Home / 20,396.42-30,594.62-7,249.31

Finding the Fourth Proportional to 20,396.42, 30,594.62 and 7,249.31

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Solution

The fourth proportional to 20,396.42, 30,594.62 and 7,249.31 is: 10,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396.42 : 30,594.62 = 7,249.31 : x
  2. Step 2: Convert to fraction form
    20,396.42/30,594.62 = 7,249.31/x
  3. Step 3: Cross multiply
    20,396.42x = 30,594.62 × 7,249.31
  4. Step 4: Simplify right side
    20,396.42x = 221,789,695.49
  5. Step 5: Solve for x
    x = 221,789,695.49/20,396.42
  6. Step 6: Final answer
    x = 10,873.95

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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.