Home / 20,087.43-30,134.49-6,936.27

Finding the Fourth Proportional to 20,087.43, 30,134.49 and 6,936.27

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Solution

The fourth proportional to 20,087.43, 30,134.49 and 6,936.27 is: 10,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.43 : 30,134.49 = 6,936.27 : x
  2. Step 2: Convert to fraction form
    20,087.43/30,134.49 = 6,936.27/x
  3. Step 3: Cross multiply
    20,087.43x = 30,134.49 × 6,936.27
  4. Step 4: Simplify right side
    20,087.43x = 209,020,958.95
  5. Step 5: Solve for x
    x = 209,020,958.95/20,087.43
  6. Step 6: Final answer
    x = 10,405.56

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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.