Home / 11,777.35-17,666.04-4,380.85

Finding the Fourth Proportional to 11,777.35, 17,666.04 and 4,380.85

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Solution

The fourth proportional to 11,777.35, 17,666.04 and 4,380.85 is: 6,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.35 : 17,666.04 = 4,380.85 : x
  2. Step 2: Convert to fraction form
    11,777.35/17,666.04 = 4,380.85/x
  3. Step 3: Cross multiply
    11,777.35x = 17,666.04 × 4,380.85
  4. Step 4: Simplify right side
    11,777.35x = 77,392,249.43
  5. Step 5: Solve for x
    x = 77,392,249.43/11,777.35
  6. Step 6: Final answer
    x = 6,571.28

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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.