Home / 20,450.44-30,674.78-6,410.15

Finding the Fourth Proportional to 20,450.44, 30,674.78 and 6,410.15

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Solution

The fourth proportional to 20,450.44, 30,674.78 and 6,410.15 is: 9,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.44 : 30,674.78 = 6,410.15 : x
  2. Step 2: Convert to fraction form
    20,450.44/30,674.78 = 6,410.15/x
  3. Step 3: Cross multiply
    20,450.44x = 30,674.78 × 6,410.15
  4. Step 4: Simplify right side
    20,450.44x = 196,630,103.26
  5. Step 5: Solve for x
    x = 196,630,103.26/20,450.44
  6. Step 6: Final answer
    x = 9,614.96

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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.