Home / 18,450.45-27,672.71-5,299.83

Finding the Fourth Proportional to 18,450.45, 27,672.71 and 5,299.83

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Solution

The fourth proportional to 18,450.45, 27,672.71 and 5,299.83 is: 7,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.45 : 27,672.71 = 5,299.83 : x
  2. Step 2: Convert to fraction form
    18,450.45/27,672.71 = 5,299.83/x
  3. Step 3: Cross multiply
    18,450.45x = 27,672.71 × 5,299.83
  4. Step 4: Simplify right side
    18,450.45x = 146,660,632.14
  5. Step 5: Solve for x
    x = 146,660,632.14/18,450.45
  6. Step 6: Final answer
    x = 7,948.89

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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.