Home / 11,985.06-17,983.72-6,726

Finding the Fourth Proportional to 11,985.06, 17,983.72 and 6,726

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Solution

The fourth proportional to 11,985.06, 17,983.72 and 6,726 is: 10,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.06 : 17,983.72 = 6,726 : x
  2. Step 2: Convert to fraction form
    11,985.06/17,983.72 = 6,726/x
  3. Step 3: Cross multiply
    11,985.06x = 17,983.72 × 6,726
  4. Step 4: Simplify right side
    11,985.06x = 120,958,500.72
  5. Step 5: Solve for x
    x = 120,958,500.72/11,985.06
  6. Step 6: Final answer
    x = 10,092.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.