Home / 18,164.21-27,245.56-6,320.70

Finding the Fourth Proportional to 18,164.21, 27,245.56 and 6,320.70

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Solution

The fourth proportional to 18,164.21, 27,245.56 and 6,320.70 is: 9,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.21 : 27,245.56 = 6,320.70 : x
  2. Step 2: Convert to fraction form
    18,164.21/27,245.56 = 6,320.70/x
  3. Step 3: Cross multiply
    18,164.21x = 27,245.56 × 6,320.70
  4. Step 4: Simplify right side
    18,164.21x = 172,210,874.86
  5. Step 5: Solve for x
    x = 172,210,874.86/18,164.21
  6. Step 6: Final answer
    x = 9,480.78

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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.