Home / 10,129.88-15,193.67-2,733.90

Finding the Fourth Proportional to 10,129.88, 15,193.67 and 2,733.90

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Solution

The fourth proportional to 10,129.88, 15,193.67 and 2,733.90 is: 4,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.88 : 15,193.67 = 2,733.90 : x
  2. Step 2: Convert to fraction form
    10,129.88/15,193.67 = 2,733.90/x
  3. Step 3: Cross multiply
    10,129.88x = 15,193.67 × 2,733.90
  4. Step 4: Simplify right side
    10,129.88x = 41,537,960.74
  5. Step 5: Solve for x
    x = 41,537,960.74/10,129.88
  6. Step 6: Final answer
    x = 4,100.54

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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.