Home / 11,167.67-15,411.33-6,131.75

Finding the Fourth Proportional to 11,167.67, 15,411.33 and 6,131.75

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Solution

The fourth proportional to 11,167.67, 15,411.33 and 6,131.75 is: 8,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.67 : 15,411.33 = 6,131.75 : x
  2. Step 2: Convert to fraction form
    11,167.67/15,411.33 = 6,131.75/x
  3. Step 3: Cross multiply
    11,167.67x = 15,411.33 × 6,131.75
  4. Step 4: Simplify right side
    11,167.67x = 94,498,422.73
  5. Step 5: Solve for x
    x = 94,498,422.73/11,167.67
  6. Step 6: Final answer
    x = 8,461.79

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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.