Home / 11,577.20-17,365.80-9,906.80

Finding the Fourth Proportional to 11,577.20, 17,365.80 and 9,906.80

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Solution

The fourth proportional to 11,577.20, 17,365.80 and 9,906.80 is: 14,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.20 : 17,365.80 = 9,906.80 : x
  2. Step 2: Convert to fraction form
    11,577.20/17,365.80 = 9,906.80/x
  3. Step 3: Cross multiply
    11,577.20x = 17,365.80 × 9,906.80
  4. Step 4: Simplify right side
    11,577.20x = 172,039,507.44
  5. Step 5: Solve for x
    x = 172,039,507.44/11,577.20
  6. Step 6: Final answer
    x = 14,860.20

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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.