Home / 11,892.05-17,838.93-4,100.75

Finding the Fourth Proportional to 11,892.05, 17,838.93 and 4,100.75

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Solution

The fourth proportional to 11,892.05, 17,838.93 and 4,100.75 is: 6,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.05 : 17,838.93 = 4,100.75 : x
  2. Step 2: Convert to fraction form
    11,892.05/17,838.93 = 4,100.75/x
  3. Step 3: Cross multiply
    11,892.05x = 17,838.93 × 4,100.75
  4. Step 4: Simplify right side
    11,892.05x = 73,152,992.20
  5. Step 5: Solve for x
    x = 73,152,992.20/11,892.05
  6. Step 6: Final answer
    x = 6,151.42

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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.