Home / 11,701.36-16,147.96-6,396.27

Finding the Fourth Proportional to 11,701.36, 16,147.96 and 6,396.27

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Solution

The fourth proportional to 11,701.36, 16,147.96 and 6,396.27 is: 8,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.36 : 16,147.96 = 6,396.27 : x
  2. Step 2: Convert to fraction form
    11,701.36/16,147.96 = 6,396.27/x
  3. Step 3: Cross multiply
    11,701.36x = 16,147.96 × 6,396.27
  4. Step 4: Simplify right side
    11,701.36x = 103,286,635.56
  5. Step 5: Solve for x
    x = 103,286,635.56/11,701.36
  6. Step 6: Final answer
    x = 8,826.89

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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.