Home / 11,991.51-17,985.92-3,227.13

Finding the Fourth Proportional to 11,991.51, 17,985.92 and 3,227.13

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Solution

The fourth proportional to 11,991.51, 17,985.92 and 3,227.13 is: 4,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.51 : 17,985.92 = 3,227.13 : x
  2. Step 2: Convert to fraction form
    11,991.51/17,985.92 = 3,227.13/x
  3. Step 3: Cross multiply
    11,991.51x = 17,985.92 × 3,227.13
  4. Step 4: Simplify right side
    11,991.51x = 58,042,885.87
  5. Step 5: Solve for x
    x = 58,042,885.87/11,991.51
  6. Step 6: Final answer
    x = 4,840.33

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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.