Home / 18,568.52-27,861.72-8,706.20

Finding the Fourth Proportional to 18,568.52, 27,861.72 and 8,706.20

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Solution

The fourth proportional to 18,568.52, 27,861.72 and 8,706.20 is: 13,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.52 : 27,861.72 = 8,706.20 : x
  2. Step 2: Convert to fraction form
    18,568.52/27,861.72 = 8,706.20/x
  3. Step 3: Cross multiply
    18,568.52x = 27,861.72 × 8,706.20
  4. Step 4: Simplify right side
    18,568.52x = 242,569,706.66
  5. Step 5: Solve for x
    x = 242,569,706.66/18,568.52
  6. Step 6: Final answer
    x = 13,063.49

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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.