Home / 18,108.35-27,173.13-7,577.49

Finding the Fourth Proportional to 18,108.35, 27,173.13 and 7,577.49

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Solution

The fourth proportional to 18,108.35, 27,173.13 and 7,577.49 is: 11,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.35 : 27,173.13 = 7,577.49 : x
  2. Step 2: Convert to fraction form
    18,108.35/27,173.13 = 7,577.49/x
  3. Step 3: Cross multiply
    18,108.35x = 27,173.13 × 7,577.49
  4. Step 4: Simplify right side
    18,108.35x = 205,904,194.33
  5. Step 5: Solve for x
    x = 205,904,194.33/18,108.35
  6. Step 6: Final answer
    x = 11,370.68

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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.