Home / 18,654.07-27,962.38-8,665.82

Finding the Fourth Proportional to 18,654.07, 27,962.38 and 8,665.82

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Solution

The fourth proportional to 18,654.07, 27,962.38 and 8,665.82 is: 12,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.07 : 27,962.38 = 8,665.82 : x
  2. Step 2: Convert to fraction form
    18,654.07/27,962.38 = 8,665.82/x
  3. Step 3: Cross multiply
    18,654.07x = 27,962.38 × 8,665.82
  4. Step 4: Simplify right side
    18,654.07x = 242,317,000.09
  5. Step 5: Solve for x
    x = 242,317,000.09/18,654.07
  6. Step 6: Final answer
    x = 12,990.04

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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.