Home / 9,163.85-13,747.14-2,921.81

Finding the Fourth Proportional to 9,163.85, 13,747.14 and 2,921.81

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Solution

The fourth proportional to 9,163.85, 13,747.14 and 2,921.81 is: 4,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.85 : 13,747.14 = 2,921.81 : x
  2. Step 2: Convert to fraction form
    9,163.85/13,747.14 = 2,921.81/x
  3. Step 3: Cross multiply
    9,163.85x = 13,747.14 × 2,921.81
  4. Step 4: Simplify right side
    9,163.85x = 40,166,462.39
  5. Step 5: Solve for x
    x = 40,166,462.39/9,163.85
  6. Step 6: Final answer
    x = 4,383.15

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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.