Home / 18,022.38-27,023.85-6,931.86

Finding the Fourth Proportional to 18,022.38, 27,023.85 and 6,931.86

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Solution

The fourth proportional to 18,022.38, 27,023.85 and 6,931.86 is: 10,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.38 : 27,023.85 = 6,931.86 : x
  2. Step 2: Convert to fraction form
    18,022.38/27,023.85 = 6,931.86/x
  3. Step 3: Cross multiply
    18,022.38x = 27,023.85 × 6,931.86
  4. Step 4: Simplify right side
    18,022.38x = 187,325,544.86
  5. Step 5: Solve for x
    x = 187,325,544.86/18,022.38
  6. Step 6: Final answer
    x = 10,394.05

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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.