Home / 11,713.66-16,164.39-6,408.34

Finding the Fourth Proportional to 11,713.66, 16,164.39 and 6,408.34

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Solution

The fourth proportional to 11,713.66, 16,164.39 and 6,408.34 is: 8,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.66 : 16,164.39 = 6,408.34 : x
  2. Step 2: Convert to fraction form
    11,713.66/16,164.39 = 6,408.34/x
  3. Step 3: Cross multiply
    11,713.66x = 16,164.39 × 6,408.34
  4. Step 4: Simplify right side
    11,713.66x = 103,586,907.01
  5. Step 5: Solve for x
    x = 103,586,907.01/11,713.66
  6. Step 6: Final answer
    x = 8,843.26

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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.