Home / 18,469.13-27,708.62-6,624.09

Finding the Fourth Proportional to 18,469.13, 27,708.62 and 6,624.09

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Solution

The fourth proportional to 18,469.13, 27,708.62 and 6,624.09 is: 9,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.13 : 27,708.62 = 6,624.09 : x
  2. Step 2: Convert to fraction form
    18,469.13/27,708.62 = 6,624.09/x
  3. Step 3: Cross multiply
    18,469.13x = 27,708.62 × 6,624.09
  4. Step 4: Simplify right side
    18,469.13x = 183,544,359.54
  5. Step 5: Solve for x
    x = 183,544,359.54/18,469.13
  6. Step 6: Final answer
    x = 9,937.90

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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.