Home / 11,001.88-15,179.09-6,748.57

Finding the Fourth Proportional to 11,001.88, 15,179.09 and 6,748.57

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Solution

The fourth proportional to 11,001.88, 15,179.09 and 6,748.57 is: 9,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.88 : 15,179.09 = 6,748.57 : x
  2. Step 2: Convert to fraction form
    11,001.88/15,179.09 = 6,748.57/x
  3. Step 3: Cross multiply
    11,001.88x = 15,179.09 × 6,748.57
  4. Step 4: Simplify right side
    11,001.88x = 102,437,151.40
  5. Step 5: Solve for x
    x = 102,437,151.40/11,001.88
  6. Step 6: Final answer
    x = 9,310.88

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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.