Home / 10,105.43-13,941.65-6,125.09

Finding the Fourth Proportional to 10,105.43, 13,941.65 and 6,125.09

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Solution

The fourth proportional to 10,105.43, 13,941.65 and 6,125.09 is: 8,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.43 : 13,941.65 = 6,125.09 : x
  2. Step 2: Convert to fraction form
    10,105.43/13,941.65 = 6,125.09/x
  3. Step 3: Cross multiply
    10,105.43x = 13,941.65 × 6,125.09
  4. Step 4: Simplify right side
    10,105.43x = 85,393,806.60
  5. Step 5: Solve for x
    x = 85,393,806.60/10,105.43
  6. Step 6: Final answer
    x = 8,450.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.