Home / 11,992.86-17,988.89-3,227.45

Finding the Fourth Proportional to 11,992.86, 17,988.89 and 3,227.45

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Solution

The fourth proportional to 11,992.86, 17,988.89 and 3,227.45 is: 4,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.86 : 17,988.89 = 3,227.45 : x
  2. Step 2: Convert to fraction form
    11,992.86/17,988.89 = 3,227.45/x
  3. Step 3: Cross multiply
    11,992.86x = 17,988.89 × 3,227.45
  4. Step 4: Simplify right side
    11,992.86x = 58,058,136.95
  5. Step 5: Solve for x
    x = 58,058,136.95/11,992.86
  6. Step 6: Final answer
    x = 4,841.06

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1.5x scale

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.