Home / 11,805.48-17,711.25-3,485.16

Finding the Fourth Proportional to 11,805.48, 17,711.25 and 3,485.16

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Solution

The fourth proportional to 11,805.48, 17,711.25 and 3,485.16 is: 5,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.48 : 17,711.25 = 3,485.16 : x
  2. Step 2: Convert to fraction form
    11,805.48/17,711.25 = 3,485.16/x
  3. Step 3: Cross multiply
    11,805.48x = 17,711.25 × 3,485.16
  4. Step 4: Simplify right side
    11,805.48x = 61,726,540.05
  5. Step 5: Solve for x
    x = 61,726,540.05/11,805.48
  6. Step 6: Final answer
    x = 5,228.63

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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.