Home / 10,811.86-16,208.04-3,884.74

Finding the Fourth Proportional to 10,811.86, 16,208.04 and 3,884.74

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Solution

The fourth proportional to 10,811.86, 16,208.04 and 3,884.74 is: 5,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.86 : 16,208.04 = 3,884.74 : x
  2. Step 2: Convert to fraction form
    10,811.86/16,208.04 = 3,884.74/x
  3. Step 3: Cross multiply
    10,811.86x = 16,208.04 × 3,884.74
  4. Step 4: Simplify right side
    10,811.86x = 62,964,021.31
  5. Step 5: Solve for x
    x = 62,964,021.31/10,811.86
  6. Step 6: Final answer
    x = 5,823.61

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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.