Home / 11,814.80-17,722.20-3,494.17

Finding the Fourth Proportional to 11,814.80, 17,722.20 and 3,494.17

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Solution

The fourth proportional to 11,814.80, 17,722.20 and 3,494.17 is: 5,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.80 : 17,722.20 = 3,494.17 : x
  2. Step 2: Convert to fraction form
    11,814.80/17,722.20 = 3,494.17/x
  3. Step 3: Cross multiply
    11,814.80x = 17,722.20 × 3,494.17
  4. Step 4: Simplify right side
    11,814.80x = 61,924,315.46
  5. Step 5: Solve for x
    x = 61,924,315.46/11,814.80
  6. Step 6: Final answer
    x = 5,241.25

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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.