Home / 12,469.98-18,708.05-3,704.88

Finding the Fourth Proportional to 12,469.98, 18,708.05 and 3,704.88

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Solution

The fourth proportional to 12,469.98, 18,708.05 and 3,704.88 is: 5,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.98 : 18,708.05 = 3,704.88 : x
  2. Step 2: Convert to fraction form
    12,469.98/18,708.05 = 3,704.88/x
  3. Step 3: Cross multiply
    12,469.98x = 18,708.05 × 3,704.88
  4. Step 4: Simplify right side
    12,469.98x = 69,311,080.28
  5. Step 5: Solve for x
    x = 69,311,080.28/12,469.98
  6. Step 6: Final answer
    x = 5,558.24

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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.