Home / 17,287.56-25,945.92-11,947.77

Finding the Fourth Proportional to 17,287.56, 25,945.92 and 11,947.77

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Solution

The fourth proportional to 17,287.56, 25,945.92 and 11,947.77 is: 17,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.56 : 25,945.92 = 11,947.77 : x
  2. Step 2: Convert to fraction form
    17,287.56/25,945.92 = 11,947.77/x
  3. Step 3: Cross multiply
    17,287.56x = 25,945.92 × 11,947.77
  4. Step 4: Simplify right side
    17,287.56x = 309,995,884.60
  5. Step 5: Solve for x
    x = 309,995,884.60/17,287.56
  6. Step 6: Final answer
    x = 17,931.73

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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.