Home / 11,805.48-17,705.49-3,486.06

Finding the Fourth Proportional to 11,805.48, 17,705.49 and 3,486.06

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Solution

The fourth proportional to 11,805.48, 17,705.49 and 3,486.06 is: 5,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.48 : 17,705.49 = 3,486.06 : x
  2. Step 2: Convert to fraction form
    11,805.48/17,705.49 = 3,486.06/x
  3. Step 3: Cross multiply
    11,805.48x = 17,705.49 × 3,486.06
  4. Step 4: Simplify right side
    11,805.48x = 61,722,400.47
  5. Step 5: Solve for x
    x = 61,722,400.47/11,805.48
  6. Step 6: Final answer
    x = 5,228.28

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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.