Home / 20,086.93-30,109.49-6,750.03

Finding the Fourth Proportional to 20,086.93, 30,109.49 and 6,750.03

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Solution

The fourth proportional to 20,086.93, 30,109.49 and 6,750.03 is: 10,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086.93 : 30,109.49 = 6,750.03 : x
  2. Step 2: Convert to fraction form
    20,086.93/30,109.49 = 6,750.03/x
  3. Step 3: Cross multiply
    20,086.93x = 30,109.49 × 6,750.03
  4. Step 4: Simplify right side
    20,086.93x = 203,239,960.78
  5. Step 5: Solve for x
    x = 203,239,960.78/20,086.93
  6. Step 6: Final answer
    x = 10,118.02

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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.