Home / 20,338.38-30,512.03-6,106.23

Finding the Fourth Proportional to 20,338.38, 30,512.03 and 6,106.23

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Solution

The fourth proportional to 20,338.38, 30,512.03 and 6,106.23 is: 9,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.38 : 30,512.03 = 6,106.23 : x
  2. Step 2: Convert to fraction form
    20,338.38/30,512.03 = 6,106.23/x
  3. Step 3: Cross multiply
    20,338.38x = 30,512.03 × 6,106.23
  4. Step 4: Simplify right side
    20,338.38x = 186,313,442.42
  5. Step 5: Solve for x
    x = 186,313,442.42/20,338.38
  6. Step 6: Final answer
    x = 9,160.68

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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.