Home / 13,619.62-18,794.46-7,954.48

Finding the Fourth Proportional to 13,619.62, 18,794.46 and 7,954.48

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Solution

The fourth proportional to 13,619.62, 18,794.46 and 7,954.48 is: 10,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.62 : 18,794.46 = 7,954.48 : x
  2. Step 2: Convert to fraction form
    13,619.62/18,794.46 = 7,954.48/x
  3. Step 3: Cross multiply
    13,619.62x = 18,794.46 × 7,954.48
  4. Step 4: Simplify right side
    13,619.62x = 149,500,156.18
  5. Step 5: Solve for x
    x = 149,500,156.18/13,619.62
  6. Step 6: Final answer
    x = 10,976.82

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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.