Home / 11,997.14-17,984.70-4,201.70

Finding the Fourth Proportional to 11,997.14, 17,984.70 and 4,201.70

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Solution

The fourth proportional to 11,997.14, 17,984.70 and 4,201.70 is: 6,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.14 : 17,984.70 = 4,201.70 : x
  2. Step 2: Convert to fraction form
    11,997.14/17,984.70 = 4,201.70/x
  3. Step 3: Cross multiply
    11,997.14x = 17,984.70 × 4,201.70
  4. Step 4: Simplify right side
    11,997.14x = 75,566,313.99
  5. Step 5: Solve for x
    x = 75,566,313.99/11,997.14
  6. Step 6: Final answer
    x = 6,298.69

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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.