Home / 18,663.52-27,988.56-6,181.24

Finding the Fourth Proportional to 18,663.52, 27,988.56 and 6,181.24

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Solution

The fourth proportional to 18,663.52, 27,988.56 and 6,181.24 is: 9,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.52 : 27,988.56 = 6,181.24 : x
  2. Step 2: Convert to fraction form
    18,663.52/27,988.56 = 6,181.24/x
  3. Step 3: Cross multiply
    18,663.52x = 27,988.56 × 6,181.24
  4. Step 4: Simplify right side
    18,663.52x = 173,004,006.61
  5. Step 5: Solve for x
    x = 173,004,006.61/18,663.52
  6. Step 6: Final answer
    x = 9,269.63

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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.