Home / 20,174.86-30,263.91-6,136.15

Finding the Fourth Proportional to 20,174.86, 30,263.91 and 6,136.15

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Solution

The fourth proportional to 20,174.86, 30,263.91 and 6,136.15 is: 9,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.86 : 30,263.91 = 6,136.15 : x
  2. Step 2: Convert to fraction form
    20,174.86/30,263.91 = 6,136.15/x
  3. Step 3: Cross multiply
    20,174.86x = 30,263.91 × 6,136.15
  4. Step 4: Simplify right side
    20,174.86x = 185,703,740.03
  5. Step 5: Solve for x
    x = 185,703,740.03/20,174.86
  6. Step 6: Final answer
    x = 9,204.71

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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.