Home / 11,895.90-17,871.39-7,467.36

Finding the Fourth Proportional to 11,895.90, 17,871.39 and 7,467.36

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Solution

The fourth proportional to 11,895.90, 17,871.39 and 7,467.36 is: 11,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.90 : 17,871.39 = 7,467.36 : x
  2. Step 2: Convert to fraction form
    11,895.90/17,871.39 = 7,467.36/x
  3. Step 3: Cross multiply
    11,895.90x = 17,871.39 × 7,467.36
  4. Step 4: Simplify right side
    11,895.90x = 133,452,102.83
  5. Step 5: Solve for x
    x = 133,452,102.83/11,895.90
  6. Step 6: Final answer
    x = 11,218.33

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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.