Home / 11,408.01-17,112.62-3,617.43

Finding the Fourth Proportional to 11,408.01, 17,112.62 and 3,617.43

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Solution

The fourth proportional to 11,408.01, 17,112.62 and 3,617.43 is: 5,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.01 : 17,112.62 = 3,617.43 : x
  2. Step 2: Convert to fraction form
    11,408.01/17,112.62 = 3,617.43/x
  3. Step 3: Cross multiply
    11,408.01x = 17,112.62 × 3,617.43
  4. Step 4: Simplify right side
    11,408.01x = 61,903,704.97
  5. Step 5: Solve for x
    x = 61,903,704.97/11,408.01
  6. Step 6: Final answer
    x = 5,426.34

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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.