Home / 11,845.42-17,765.04-3,523.21

Finding the Fourth Proportional to 11,845.42, 17,765.04 and 3,523.21

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Solution

The fourth proportional to 11,845.42, 17,765.04 and 3,523.21 is: 5,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.42 : 17,765.04 = 3,523.21 : x
  2. Step 2: Convert to fraction form
    11,845.42/17,765.04 = 3,523.21/x
  3. Step 3: Cross multiply
    11,845.42x = 17,765.04 × 3,523.21
  4. Step 4: Simplify right side
    11,845.42x = 62,589,966.58
  5. Step 5: Solve for x
    x = 62,589,966.58/11,845.42
  6. Step 6: Final answer
    x = 5,283.90

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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.