Home / 11,660.41-16,090.78-6,623.96

Finding the Fourth Proportional to 11,660.41, 16,090.78 and 6,623.96

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Solution

The fourth proportional to 11,660.41, 16,090.78 and 6,623.96 is: 9,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.41 : 16,090.78 = 6,623.96 : x
  2. Step 2: Convert to fraction form
    11,660.41/16,090.78 = 6,623.96/x
  3. Step 3: Cross multiply
    11,660.41x = 16,090.78 × 6,623.96
  4. Step 4: Simplify right side
    11,660.41x = 106,584,649.97
  5. Step 5: Solve for x
    x = 106,584,649.97/11,660.41
  6. Step 6: Final answer
    x = 9,140.73

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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.