Home / 11,701.22-16,147.81-6,396.13

Finding the Fourth Proportional to 11,701.22, 16,147.81 and 6,396.13

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Solution

The fourth proportional to 11,701.22, 16,147.81 and 6,396.13 is: 8,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.22 : 16,147.81 = 6,396.13 : x
  2. Step 2: Convert to fraction form
    11,701.22/16,147.81 = 6,396.13/x
  3. Step 3: Cross multiply
    11,701.22x = 16,147.81 × 6,396.13
  4. Step 4: Simplify right side
    11,701.22x = 103,283,379.26
  5. Step 5: Solve for x
    x = 103,283,379.26/11,701.22
  6. Step 6: Final answer
    x = 8,826.72

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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.