Home / 20,092.14-30,126.87-8,242.62

Finding the Fourth Proportional to 20,092.14, 30,126.87 and 8,242.62

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Solution

The fourth proportional to 20,092.14, 30,126.87 and 8,242.62 is: 12,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.14 : 30,126.87 = 8,242.62 : x
  2. Step 2: Convert to fraction form
    20,092.14/30,126.87 = 8,242.62/x
  3. Step 3: Cross multiply
    20,092.14x = 30,126.87 × 8,242.62
  4. Step 4: Simplify right side
    20,092.14x = 248,324,341.20
  5. Step 5: Solve for x
    x = 248,324,341.20/20,092.14
  6. Step 6: Final answer
    x = 12,359.28

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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.