Home / 11,939.82-16,476.96-6,635.13

Finding the Fourth Proportional to 11,939.82, 16,476.96 and 6,635.13

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Solution

The fourth proportional to 11,939.82, 16,476.96 and 6,635.13 is: 9,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.82 : 16,476.96 = 6,635.13 : x
  2. Step 2: Convert to fraction form
    11,939.82/16,476.96 = 6,635.13/x
  3. Step 3: Cross multiply
    11,939.82x = 16,476.96 × 6,635.13
  4. Step 4: Simplify right side
    11,939.82x = 109,326,771.60
  5. Step 5: Solve for x
    x = 109,326,771.60/11,939.82
  6. Step 6: Final answer
    x = 9,156.48

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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.