Home / 20,189.46-30,282.06-5,399.87

Finding the Fourth Proportional to 20,189.46, 30,282.06 and 5,399.87

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Solution

The fourth proportional to 20,189.46, 30,282.06 and 5,399.87 is: 8,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.46 : 30,282.06 = 5,399.87 : x
  2. Step 2: Convert to fraction form
    20,189.46/30,282.06 = 5,399.87/x
  3. Step 3: Cross multiply
    20,189.46x = 30,282.06 × 5,399.87
  4. Step 4: Simplify right side
    20,189.46x = 163,519,187.33
  5. Step 5: Solve for x
    x = 163,519,187.33/20,189.46
  6. Step 6: Final answer
    x = 8,099.24

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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.