Home / 10,827.27-16,243.20-3,430.76

Finding the Fourth Proportional to 10,827.27, 16,243.20 and 3,430.76

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Solution

The fourth proportional to 10,827.27, 16,243.20 and 3,430.76 is: 5,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.27 : 16,243.20 = 3,430.76 : x
  2. Step 2: Convert to fraction form
    10,827.27/16,243.20 = 3,430.76/x
  3. Step 3: Cross multiply
    10,827.27x = 16,243.20 × 3,430.76
  4. Step 4: Simplify right side
    10,827.27x = 55,726,439.62
  5. Step 5: Solve for x
    x = 55,726,439.62/10,827.27
  6. Step 6: Final answer
    x = 5,146.86

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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.