Home / 20,149.65-30,183.30-9,587.70

Finding the Fourth Proportional to 20,149.65, 30,183.30 and 9,587.70

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Solution

The fourth proportional to 20,149.65, 30,183.30 and 9,587.70 is: 14,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.65 : 30,183.30 = 9,587.70 : x
  2. Step 2: Convert to fraction form
    20,149.65/30,183.30 = 9,587.70/x
  3. Step 3: Cross multiply
    20,149.65x = 30,183.30 × 9,587.70
  4. Step 4: Simplify right side
    20,149.65x = 289,388,425.41
  5. Step 5: Solve for x
    x = 289,388,425.41/20,149.65
  6. Step 6: Final answer
    x = 14,361.96

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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.