Home / 11,525.43-17,280.25-4,129.73

Finding the Fourth Proportional to 11,525.43, 17,280.25 and 4,129.73

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Solution

The fourth proportional to 11,525.43, 17,280.25 and 4,129.73 is: 6,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.43 : 17,280.25 = 4,129.73 : x
  2. Step 2: Convert to fraction form
    11,525.43/17,280.25 = 4,129.73/x
  3. Step 3: Cross multiply
    11,525.43x = 17,280.25 × 4,129.73
  4. Step 4: Simplify right side
    11,525.43x = 71,362,659.78
  5. Step 5: Solve for x
    x = 71,362,659.78/11,525.43
  6. Step 6: Final answer
    x = 6,191.76

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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.