Home / 11,995.65-16,553.63-6,691.37

Finding the Fourth Proportional to 11,995.65, 16,553.63 and 6,691.37

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Solution

The fourth proportional to 11,995.65, 16,553.63 and 6,691.37 is: 9,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.65 : 16,553.63 = 6,691.37 : x
  2. Step 2: Convert to fraction form
    11,995.65/16,553.63 = 6,691.37/x
  3. Step 3: Cross multiply
    11,995.65x = 16,553.63 × 6,691.37
  4. Step 4: Simplify right side
    11,995.65x = 110,766,346.95
  5. Step 5: Solve for x
    x = 110,766,346.95/11,995.65
  6. Step 6: Final answer
    x = 9,233.88

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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.