Home / 11,835.42-17,753.58-3,938.64

Finding the Fourth Proportional to 11,835.42, 17,753.58 and 3,938.64

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Solution

The fourth proportional to 11,835.42, 17,753.58 and 3,938.64 is: 5,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.42 : 17,753.58 = 3,938.64 : x
  2. Step 2: Convert to fraction form
    11,835.42/17,753.58 = 3,938.64/x
  3. Step 3: Cross multiply
    11,835.42x = 17,753.58 × 3,938.64
  4. Step 4: Simplify right side
    11,835.42x = 69,924,960.33
  5. Step 5: Solve for x
    x = 69,924,960.33/11,835.42
  6. Step 6: Final answer
    x = 5,908.11

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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.