Home / 20,449.44-30,674.04-5,658.21

Finding the Fourth Proportional to 20,449.44, 30,674.04 and 5,658.21

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Solution

The fourth proportional to 20,449.44, 30,674.04 and 5,658.21 is: 8,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.44 : 30,674.04 = 5,658.21 : x
  2. Step 2: Convert to fraction form
    20,449.44/30,674.04 = 5,658.21/x
  3. Step 3: Cross multiply
    20,449.44x = 30,674.04 × 5,658.21
  4. Step 4: Simplify right side
    20,449.44x = 173,560,159.87
  5. Step 5: Solve for x
    x = 173,560,159.87/20,449.44
  6. Step 6: Final answer
    x = 8,487.28

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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.