Home / 11,337.78-17,000.64-3,940.14

Finding the Fourth Proportional to 11,337.78, 17,000.64 and 3,940.14

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Solution

The fourth proportional to 11,337.78, 17,000.64 and 3,940.14 is: 5,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.78 : 17,000.64 = 3,940.14 : x
  2. Step 2: Convert to fraction form
    11,337.78/17,000.64 = 3,940.14/x
  3. Step 3: Cross multiply
    11,337.78x = 17,000.64 × 3,940.14
  4. Step 4: Simplify right side
    11,337.78x = 66,984,901.69
  5. Step 5: Solve for x
    x = 66,984,901.69/11,337.78
  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.