Home / 11,901.22-17,838.97-5,231.79

Finding the Fourth Proportional to 11,901.22, 17,838.97 and 5,231.79

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Solution

The fourth proportional to 11,901.22, 17,838.97 and 5,231.79 is: 7,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.22 : 17,838.97 = 5,231.79 : x
  2. Step 2: Convert to fraction form
    11,901.22/17,838.97 = 5,231.79/x
  3. Step 3: Cross multiply
    11,901.22x = 17,838.97 × 5,231.79
  4. Step 4: Simplify right side
    11,901.22x = 93,329,744.86
  5. Step 5: Solve for x
    x = 93,329,744.86/11,901.22
  6. Step 6: Final answer
    x = 7,842.03

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1.5x scale

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.