Home / 11,376.52-17,067.10-6,448.36

Finding the Fourth Proportional to 11,376.52, 17,067.10 and 6,448.36

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Solution

The fourth proportional to 11,376.52, 17,067.10 and 6,448.36 is: 9,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.52 : 17,067.10 = 6,448.36 : x
  2. Step 2: Convert to fraction form
    11,376.52/17,067.10 = 6,448.36/x
  3. Step 3: Cross multiply
    11,376.52x = 17,067.10 × 6,448.36
  4. Step 4: Simplify right side
    11,376.52x = 110,054,804.96
  5. Step 5: Solve for x
    x = 110,054,804.96/11,376.52
  6. Step 6: Final answer
    x = 9,673.86

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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.