Home / 10,868.18-16,304.76-3,942.68

Finding the Fourth Proportional to 10,868.18, 16,304.76 and 3,942.68

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Solution

The fourth proportional to 10,868.18, 16,304.76 and 3,942.68 is: 5,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.18 : 16,304.76 = 3,942.68 : x
  2. Step 2: Convert to fraction form
    10,868.18/16,304.76 = 3,942.68/x
  3. Step 3: Cross multiply
    10,868.18x = 16,304.76 × 3,942.68
  4. Step 4: Simplify right side
    10,868.18x = 64,284,451.16
  5. Step 5: Solve for x
    x = 64,284,451.16/10,868.18
  6. Step 6: Final answer
    x = 5,914.92

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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.