Home / 11,814.24-17,721.60-3,494.25

Finding the Fourth Proportional to 11,814.24, 17,721.60 and 3,494.25

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Solution

The fourth proportional to 11,814.24, 17,721.60 and 3,494.25 is: 5,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.24 : 17,721.60 = 3,494.25 : x
  2. Step 2: Convert to fraction form
    11,814.24/17,721.60 = 3,494.25/x
  3. Step 3: Cross multiply
    11,814.24x = 17,721.60 × 3,494.25
  4. Step 4: Simplify right side
    11,814.24x = 61,923,700.80
  5. Step 5: Solve for x
    x = 61,923,700.80/11,814.24
  6. Step 6: Final answer
    x = 5,241.45

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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.