Home / 19,173.62-28,736.20-8,632.42

Finding the Fourth Proportional to 19,173.62, 28,736.20 and 8,632.42

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Solution

The fourth proportional to 19,173.62, 28,736.20 and 8,632.42 is: 12,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.62 : 28,736.20 = 8,632.42 : x
  2. Step 2: Convert to fraction form
    19,173.62/28,736.20 = 8,632.42/x
  3. Step 3: Cross multiply
    19,173.62x = 28,736.20 × 8,632.42
  4. Step 4: Simplify right side
    19,173.62x = 248,062,760.76
  5. Step 5: Solve for x
    x = 248,062,760.76/19,173.62
  6. Step 6: Final answer
    x = 12,937.71

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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.