Home / 18,234.37-27,351.74-5,087.71

Finding the Fourth Proportional to 18,234.37, 27,351.74 and 5,087.71

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Solution

The fourth proportional to 18,234.37, 27,351.74 and 5,087.71 is: 7,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.37 : 27,351.74 = 5,087.71 : x
  2. Step 2: Convert to fraction form
    18,234.37/27,351.74 = 5,087.71/x
  3. Step 3: Cross multiply
    18,234.37x = 27,351.74 × 5,087.71
  4. Step 4: Simplify right side
    18,234.37x = 139,157,721.12
  5. Step 5: Solve for x
    x = 139,157,721.12/18,234.37
  6. Step 6: Final answer
    x = 7,631.62

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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.