Home / 12,515.26-18,771.24-5,945.62

Finding the Fourth Proportional to 12,515.26, 18,771.24 and 5,945.62

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Solution

The fourth proportional to 12,515.26, 18,771.24 and 5,945.62 is: 8,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.26 : 18,771.24 = 5,945.62 : x
  2. Step 2: Convert to fraction form
    12,515.26/18,771.24 = 5,945.62/x
  3. Step 3: Cross multiply
    12,515.26x = 18,771.24 × 5,945.62
  4. Step 4: Simplify right side
    12,515.26x = 111,606,659.97
  5. Step 5: Solve for x
    x = 111,606,659.97/12,515.26
  6. Step 6: Final answer
    x = 8,917.65

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1.5x scale

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.