Home / 9,163.78-13,745.55-2,238.34

Finding the Fourth Proportional to 9,163.78, 13,745.55 and 2,238.34

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Solution

The fourth proportional to 9,163.78, 13,745.55 and 2,238.34 is: 3,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.78 : 13,745.55 = 2,238.34 : x
  2. Step 2: Convert to fraction form
    9,163.78/13,745.55 = 2,238.34/x
  3. Step 3: Cross multiply
    9,163.78x = 13,745.55 × 2,238.34
  4. Step 4: Simplify right side
    9,163.78x = 30,767,214.39
  5. Step 5: Solve for x
    x = 30,767,214.39/9,163.78
  6. Step 6: Final answer
    x = 3,357.48

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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.