Home / 8,104.38-12,135.54-6,941.87

Finding the Fourth Proportional to 8,104.38, 12,135.54 and 6,941.87

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Solution

The fourth proportional to 8,104.38, 12,135.54 and 6,941.87 is: 10,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.38 : 12,135.54 = 6,941.87 : x
  2. Step 2: Convert to fraction form
    8,104.38/12,135.54 = 6,941.87/x
  3. Step 3: Cross multiply
    8,104.38x = 12,135.54 × 6,941.87
  4. Step 4: Simplify right side
    8,104.38x = 84,243,280.38
  5. Step 5: Solve for x
    x = 84,243,280.38/8,104.38
  6. Step 6: Final answer
    x = 10,394.78

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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.