Home / 11,939.09-17,910.45-6,092.51

Finding the Fourth Proportional to 11,939.09, 17,910.45 and 6,092.51

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Solution

The fourth proportional to 11,939.09, 17,910.45 and 6,092.51 is: 9,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.09 : 17,910.45 = 6,092.51 : x
  2. Step 2: Convert to fraction form
    11,939.09/17,910.45 = 6,092.51/x
  3. Step 3: Cross multiply
    11,939.09x = 17,910.45 × 6,092.51
  4. Step 4: Simplify right side
    11,939.09x = 109,119,506.18
  5. Step 5: Solve for x
    x = 109,119,506.18/11,939.09
  6. Step 6: Final answer
    x = 9,139.69

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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.