Home / 11,701.43-16,147.41-6,396.25

Finding the Fourth Proportional to 11,701.43, 16,147.41 and 6,396.25

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Solution

The fourth proportional to 11,701.43, 16,147.41 and 6,396.25 is: 8,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.43 : 16,147.41 = 6,396.25 : x
  2. Step 2: Convert to fraction form
    11,701.43/16,147.41 = 6,396.25/x
  3. Step 3: Cross multiply
    11,701.43x = 16,147.41 × 6,396.25
  4. Step 4: Simplify right side
    11,701.43x = 103,282,871.21
  5. Step 5: Solve for x
    x = 103,282,871.21/11,701.43
  6. Step 6: Final answer
    x = 8,826.52

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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.