Home / 10,113.44-15,167.73-5,180.54

Finding the Fourth Proportional to 10,113.44, 15,167.73 and 5,180.54

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Solution

The fourth proportional to 10,113.44, 15,167.73 and 5,180.54 is: 7,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.44 : 15,167.73 = 5,180.54 : x
  2. Step 2: Convert to fraction form
    10,113.44/15,167.73 = 5,180.54/x
  3. Step 3: Cross multiply
    10,113.44x = 15,167.73 × 5,180.54
  4. Step 4: Simplify right side
    10,113.44x = 78,577,046.31
  5. Step 5: Solve for x
    x = 78,577,046.31/10,113.44
  6. Step 6: Final answer
    x = 7,769.57

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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.