Home / 11,991.33-16,549.25-6,957.09

Finding the Fourth Proportional to 11,991.33, 16,549.25 and 6,957.09

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Solution

The fourth proportional to 11,991.33, 16,549.25 and 6,957.09 is: 9,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.33 : 16,549.25 = 6,957.09 : x
  2. Step 2: Convert to fraction form
    11,991.33/16,549.25 = 6,957.09/x
  3. Step 3: Cross multiply
    11,991.33x = 16,549.25 × 6,957.09
  4. Step 4: Simplify right side
    11,991.33x = 115,134,586.90
  5. Step 5: Solve for x
    x = 115,134,586.90/11,991.33
  6. Step 6: Final answer
    x = 9,601.49

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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.