Home / 10,992.26-16,481.69-4,320.76

Finding the Fourth Proportional to 10,992.26, 16,481.69 and 4,320.76

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Solution

The fourth proportional to 10,992.26, 16,481.69 and 4,320.76 is: 6,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.26 : 16,481.69 = 4,320.76 : x
  2. Step 2: Convert to fraction form
    10,992.26/16,481.69 = 4,320.76/x
  3. Step 3: Cross multiply
    10,992.26x = 16,481.69 × 4,320.76
  4. Step 4: Simplify right side
    10,992.26x = 71,213,344.48
  5. Step 5: Solve for x
    x = 71,213,344.48/10,992.26
  6. Step 6: Final answer
    x = 6,478.50

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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.