Home / 18,257.80-27,385.24-5,110.60

Finding the Fourth Proportional to 18,257.80, 27,385.24 and 5,110.60

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Solution

The fourth proportional to 18,257.80, 27,385.24 and 5,110.60 is: 7,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.80 : 27,385.24 = 5,110.60 : x
  2. Step 2: Convert to fraction form
    18,257.80/27,385.24 = 5,110.60/x
  3. Step 3: Cross multiply
    18,257.80x = 27,385.24 × 5,110.60
  4. Step 4: Simplify right side
    18,257.80x = 139,955,007.54
  5. Step 5: Solve for x
    x = 139,955,007.54/18,257.80
  6. Step 6: Final answer
    x = 7,665.49

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1.5x scale

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.