Home / 20,013.38-30,023.16-6,682.25

Finding the Fourth Proportional to 20,013.38, 30,023.16 and 6,682.25

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Solution

The fourth proportional to 20,013.38, 30,023.16 and 6,682.25 is: 10,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.38 : 30,023.16 = 6,682.25 : x
  2. Step 2: Convert to fraction form
    20,013.38/30,023.16 = 6,682.25/x
  3. Step 3: Cross multiply
    20,013.38x = 30,023.16 × 6,682.25
  4. Step 4: Simplify right side
    20,013.38x = 200,622,142.03
  5. Step 5: Solve for x
    x = 200,622,142.03/20,013.38
  6. Step 6: Final answer
    x = 10,024.40

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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.