Home / 20,087.23-30,126.52-8,229.38

Finding the Fourth Proportional to 20,087.23, 30,126.52 and 8,229.38

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Solution

The fourth proportional to 20,087.23, 30,126.52 and 8,229.38 is: 12,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.23 : 30,126.52 = 8,229.38 : x
  2. Step 2: Convert to fraction form
    20,087.23/30,126.52 = 8,229.38/x
  3. Step 3: Cross multiply
    20,087.23x = 30,126.52 × 8,229.38
  4. Step 4: Simplify right side
    20,087.23x = 247,922,389.38
  5. Step 5: Solve for x
    x = 247,922,389.38/20,087.23
  6. Step 6: Final answer
    x = 12,342.29

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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.