Home / 10,811.88-16,208.06-3,884.76

Finding the Fourth Proportional to 10,811.88, 16,208.06 and 3,884.76

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Solution

The fourth proportional to 10,811.88, 16,208.06 and 3,884.76 is: 5,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.88 : 16,208.06 = 3,884.76 : x
  2. Step 2: Convert to fraction form
    10,811.88/16,208.06 = 3,884.76/x
  3. Step 3: Cross multiply
    10,811.88x = 16,208.06 × 3,884.76
  4. Step 4: Simplify right side
    10,811.88x = 62,964,423.17
  5. Step 5: Solve for x
    x = 62,964,423.17/10,811.88
  6. Step 6: Final answer
    x = 5,823.63

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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.