Home / 13,255.92-18,293.23-7,287.97

Finding the Fourth Proportional to 13,255.92, 18,293.23 and 7,287.97

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Solution

The fourth proportional to 13,255.92, 18,293.23 and 7,287.97 is: 10,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.92 : 18,293.23 = 7,287.97 : x
  2. Step 2: Convert to fraction form
    13,255.92/18,293.23 = 7,287.97/x
  3. Step 3: Cross multiply
    13,255.92x = 18,293.23 × 7,287.97
  4. Step 4: Simplify right side
    13,255.92x = 133,320,475.00
  5. Step 5: Solve for x
    x = 133,320,475.00/13,255.92
  6. Step 6: Final answer
    x = 10,057.43

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1.5x scale

Why These Related Problems?

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