Home / 11,006.67-15,185.07-8,142.26

Finding the Fourth Proportional to 11,006.67, 15,185.07 and 8,142.26

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Solution

The fourth proportional to 11,006.67, 15,185.07 and 8,142.26 is: 11,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.67 : 15,185.07 = 8,142.26 : x
  2. Step 2: Convert to fraction form
    11,006.67/15,185.07 = 8,142.26/x
  3. Step 3: Cross multiply
    11,006.67x = 15,185.07 × 8,142.26
  4. Step 4: Simplify right side
    11,006.67x = 123,640,788.06
  5. Step 5: Solve for x
    x = 123,640,788.06/11,006.67
  6. Step 6: Final answer
    x = 11,233.26

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1.5x scale

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.