Home / 11,167.30-15,411.07-6,131.73

Finding the Fourth Proportional to 11,167.30, 15,411.07 and 6,131.73

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Solution

The fourth proportional to 11,167.30, 15,411.07 and 6,131.73 is: 8,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.30 : 15,411.07 = 6,131.73 : x
  2. Step 2: Convert to fraction form
    11,167.30/15,411.07 = 6,131.73/x
  3. Step 3: Cross multiply
    11,167.30x = 15,411.07 × 6,131.73
  4. Step 4: Simplify right side
    11,167.30x = 94,496,489.59
  5. Step 5: Solve for x
    x = 94,496,489.59/11,167.30
  6. Step 6: Final answer
    x = 8,461.89

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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.