Home / 12,028.80-18,045.24-3,708.66

Finding the Fourth Proportional to 12,028.80, 18,045.24 and 3,708.66

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Solution

The fourth proportional to 12,028.80, 18,045.24 and 3,708.66 is: 5,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.80 : 18,045.24 = 3,708.66 : x
  2. Step 2: Convert to fraction form
    12,028.80/18,045.24 = 3,708.66/x
  3. Step 3: Cross multiply
    12,028.80x = 18,045.24 × 3,708.66
  4. Step 4: Simplify right side
    12,028.80x = 66,923,659.78
  5. Step 5: Solve for x
    x = 66,923,659.78/12,028.80
  6. Step 6: Final answer
    x = 5,563.62

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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.