Home / 11,723.05-17,622.68-9,408.42

Finding the Fourth Proportional to 11,723.05, 17,622.68 and 9,408.42

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Solution

The fourth proportional to 11,723.05, 17,622.68 and 9,408.42 is: 14,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.05 : 17,622.68 = 9,408.42 : x
  2. Step 2: Convert to fraction form
    11,723.05/17,622.68 = 9,408.42/x
  3. Step 3: Cross multiply
    11,723.05x = 17,622.68 × 9,408.42
  4. Step 4: Simplify right side
    11,723.05x = 165,801,439.81
  5. Step 5: Solve for x
    x = 165,801,439.81/11,723.05
  6. Step 6: Final answer
    x = 14,143.20

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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.