Home / 13,179.11-19,757.49-5,777.96

Finding the Fourth Proportional to 13,179.11, 19,757.49 and 5,777.96

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Solution

The fourth proportional to 13,179.11, 19,757.49 and 5,777.96 is: 8,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.11 : 19,757.49 = 5,777.96 : x
  2. Step 2: Convert to fraction form
    13,179.11/19,757.49 = 5,777.96/x
  3. Step 3: Cross multiply
    13,179.11x = 19,757.49 × 5,777.96
  4. Step 4: Simplify right side
    13,179.11x = 114,157,986.92
  5. Step 5: Solve for x
    x = 114,157,986.92/13,179.11
  6. Step 6: Final answer
    x = 8,662.04

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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.