Home / 18,239.69-27,348.60-8,861.24

Finding the Fourth Proportional to 18,239.69, 27,348.60 and 8,861.24

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Solution

The fourth proportional to 18,239.69, 27,348.60 and 8,861.24 is: 13,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.69 : 27,348.60 = 8,861.24 : x
  2. Step 2: Convert to fraction form
    18,239.69/27,348.60 = 8,861.24/x
  3. Step 3: Cross multiply
    18,239.69x = 27,348.60 × 8,861.24
  4. Step 4: Simplify right side
    18,239.69x = 242,342,508.26
  5. Step 5: Solve for x
    x = 242,342,508.26/18,239.69
  6. Step 6: Final answer
    x = 13,286.55

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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.