Home / 18,629.93-27,944.49-8,763.74

Finding the Fourth Proportional to 18,629.93, 27,944.49 and 8,763.74

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Solution

The fourth proportional to 18,629.93, 27,944.49 and 8,763.74 is: 13,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.93 : 27,944.49 = 8,763.74 : x
  2. Step 2: Convert to fraction form
    18,629.93/27,944.49 = 8,763.74/x
  3. Step 3: Cross multiply
    18,629.93x = 27,944.49 × 8,763.74
  4. Step 4: Simplify right side
    18,629.93x = 244,898,244.79
  5. Step 5: Solve for x
    x = 244,898,244.79/18,629.93
  6. Step 6: Final answer
    x = 13,145.42

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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.