Home / 11,713.80-16,164.72-6,408.52

Finding the Fourth Proportional to 11,713.80, 16,164.72 and 6,408.52

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Solution

The fourth proportional to 11,713.80, 16,164.72 and 6,408.52 is: 8,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.80 : 16,164.72 = 6,408.52 : x
  2. Step 2: Convert to fraction form
    11,713.80/16,164.72 = 6,408.52/x
  3. Step 3: Cross multiply
    11,713.80x = 16,164.72 × 6,408.52
  4. Step 4: Simplify right side
    11,713.80x = 103,591,931.41
  5. Step 5: Solve for x
    x = 103,591,931.41/11,713.80
  6. Step 6: Final answer
    x = 8,843.58

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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.