Home / 13,954.25-19,261.92-9,240.05

Finding the Fourth Proportional to 13,954.25, 19,261.92 and 9,240.05

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Solution

The fourth proportional to 13,954.25, 19,261.92 and 9,240.05 is: 12,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.25 : 19,261.92 = 9,240.05 : x
  2. Step 2: Convert to fraction form
    13,954.25/19,261.92 = 9,240.05/x
  3. Step 3: Cross multiply
    13,954.25x = 19,261.92 × 9,240.05
  4. Step 4: Simplify right side
    13,954.25x = 177,981,007.59
  5. Step 5: Solve for x
    x = 177,981,007.59/13,954.25
  6. Step 6: Final answer
    x = 12,754.61

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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.