Home / 18,050.30-27,079.09-6,371.72

Finding the Fourth Proportional to 18,050.30, 27,079.09 and 6,371.72

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Solution

The fourth proportional to 18,050.30, 27,079.09 and 6,371.72 is: 9,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.30 : 27,079.09 = 6,371.72 : x
  2. Step 2: Convert to fraction form
    18,050.30/27,079.09 = 6,371.72/x
  3. Step 3: Cross multiply
    18,050.30x = 27,079.09 × 6,371.72
  4. Step 4: Simplify right side
    18,050.30x = 172,540,379.33
  5. Step 5: Solve for x
    x = 172,540,379.33/18,050.30
  6. Step 6: Final answer
    x = 9,558.86

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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.