Home / 11,997.43-18,011.76-9,226.05

Finding the Fourth Proportional to 11,997.43, 18,011.76 and 9,226.05

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Solution

The fourth proportional to 11,997.43, 18,011.76 and 9,226.05 is: 13,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.43 : 18,011.76 = 9,226.05 : x
  2. Step 2: Convert to fraction form
    11,997.43/18,011.76 = 9,226.05/x
  3. Step 3: Cross multiply
    11,997.43x = 18,011.76 × 9,226.05
  4. Step 4: Simplify right side
    11,997.43x = 166,177,296.21
  5. Step 5: Solve for x
    x = 166,177,296.21/11,997.43
  6. Step 6: Final answer
    x = 13,851.08

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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.