Home / 11,897.13-17,832.15-3,997.80

Finding the Fourth Proportional to 11,897.13, 17,832.15 and 3,997.80

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Solution

The fourth proportional to 11,897.13, 17,832.15 and 3,997.80 is: 5,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.13 : 17,832.15 = 3,997.80 : x
  2. Step 2: Convert to fraction form
    11,897.13/17,832.15 = 3,997.80/x
  3. Step 3: Cross multiply
    11,897.13x = 17,832.15 × 3,997.80
  4. Step 4: Simplify right side
    11,897.13x = 71,289,369.27
  5. Step 5: Solve for x
    x = 71,289,369.27/11,897.13
  6. Step 6: Final answer
    x = 5,992.15

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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.