Home / 11,997.09-16,554.93-6,691.80

Finding the Fourth Proportional to 11,997.09, 16,554.93 and 6,691.80

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Solution

The fourth proportional to 11,997.09, 16,554.93 and 6,691.80 is: 9,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.09 : 16,554.93 = 6,691.80 : x
  2. Step 2: Convert to fraction form
    11,997.09/16,554.93 = 6,691.80/x
  3. Step 3: Cross multiply
    11,997.09x = 16,554.93 × 6,691.80
  4. Step 4: Simplify right side
    11,997.09x = 110,782,280.57
  5. Step 5: Solve for x
    x = 110,782,280.57/11,997.09
  6. Step 6: Final answer
    x = 9,234.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.