Home / 11,103.21-15,322.63-6,067.64

Finding the Fourth Proportional to 11,103.21, 15,322.63 and 6,067.64

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Solution

The fourth proportional to 11,103.21, 15,322.63 and 6,067.64 is: 8,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.21 : 15,322.63 = 6,067.64 : x
  2. Step 2: Convert to fraction form
    11,103.21/15,322.63 = 6,067.64/x
  3. Step 3: Cross multiply
    11,103.21x = 15,322.63 × 6,067.64
  4. Step 4: Simplify right side
    11,103.21x = 92,972,202.69
  5. Step 5: Solve for x
    x = 92,972,202.69/11,103.21
  6. Step 6: Final answer
    x = 8,373.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.