Home / 20,127.73-30,188.14-5,338.14

Finding the Fourth Proportional to 20,127.73, 30,188.14 and 5,338.14

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Solution

The fourth proportional to 20,127.73, 30,188.14 and 5,338.14 is: 8,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.73 : 30,188.14 = 5,338.14 : x
  2. Step 2: Convert to fraction form
    20,127.73/30,188.14 = 5,338.14/x
  3. Step 3: Cross multiply
    20,127.73x = 30,188.14 × 5,338.14
  4. Step 4: Simplify right side
    20,127.73x = 161,148,517.66
  5. Step 5: Solve for x
    x = 161,148,517.66/20,127.73
  6. Step 6: Final answer
    x = 8,006.29

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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.