Home / 20,000.38-30,003.41-6,668.86

Finding the Fourth Proportional to 20,000.38, 30,003.41 and 6,668.86

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Solution

The fourth proportional to 20,000.38, 30,003.41 and 6,668.86 is: 10,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.38 : 30,003.41 = 6,668.86 : x
  2. Step 2: Convert to fraction form
    20,000.38/30,003.41 = 6,668.86/x
  3. Step 3: Cross multiply
    20,000.38x = 30,003.41 × 6,668.86
  4. Step 4: Simplify right side
    20,000.38x = 200,088,540.81
  5. Step 5: Solve for x
    x = 200,088,540.81/20,000.38
  6. Step 6: Final answer
    x = 10,004.24

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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.