Home / 18,650.07-27,979.52-6,170.09

Finding the Fourth Proportional to 18,650.07, 27,979.52 and 6,170.09

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Solution

The fourth proportional to 18,650.07, 27,979.52 and 6,170.09 is: 9,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.07 : 27,979.52 = 6,170.09 : x
  2. Step 2: Convert to fraction form
    18,650.07/27,979.52 = 6,170.09/x
  3. Step 3: Cross multiply
    18,650.07x = 27,979.52 × 6,170.09
  4. Step 4: Simplify right side
    18,650.07x = 172,635,985.81
  5. Step 5: Solve for x
    x = 172,635,985.81/18,650.07
  6. Step 6: Final answer
    x = 9,256.59

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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.