Home / 20,174.55-30,262.04-6,136.86

Finding the Fourth Proportional to 20,174.55, 30,262.04 and 6,136.86

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Solution

The fourth proportional to 20,174.55, 30,262.04 and 6,136.86 is: 9,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.55 : 30,262.04 = 6,136.86 : x
  2. Step 2: Convert to fraction form
    20,174.55/30,262.04 = 6,136.86/x
  3. Step 3: Cross multiply
    20,174.55x = 30,262.04 × 6,136.86
  4. Step 4: Simplify right side
    20,174.55x = 185,713,902.79
  5. Step 5: Solve for x
    x = 185,713,902.79/20,174.55
  6. Step 6: Final answer
    x = 9,205.36

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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.