Home / 20,172.27-30,258.39-6,132.24

Finding the Fourth Proportional to 20,172.27, 30,258.39 and 6,132.24

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Solution

The fourth proportional to 20,172.27, 30,258.39 and 6,132.24 is: 9,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.27 : 30,258.39 = 6,132.24 : x
  2. Step 2: Convert to fraction form
    20,172.27/30,258.39 = 6,132.24/x
  3. Step 3: Cross multiply
    20,172.27x = 30,258.39 × 6,132.24
  4. Step 4: Simplify right side
    20,172.27x = 185,551,709.49
  5. Step 5: Solve for x
    x = 185,551,709.49/20,172.27
  6. Step 6: Final answer
    x = 9,198.36

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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.