Home / 20,127.62-30,192.11-5,338.03

Finding the Fourth Proportional to 20,127.62, 30,192.11 and 5,338.03

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Solution

The fourth proportional to 20,127.62, 30,192.11 and 5,338.03 is: 8,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.62 : 30,192.11 = 5,338.03 : x
  2. Step 2: Convert to fraction form
    20,127.62/30,192.11 = 5,338.03/x
  3. Step 3: Cross multiply
    20,127.62x = 30,192.11 × 5,338.03
  4. Step 4: Simplify right side
    20,127.62x = 161,166,286.77
  5. Step 5: Solve for x
    x = 161,166,286.77/20,127.62
  6. Step 6: Final answer
    x = 8,007.22

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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.