Home / 12,524.64-18,789.84-3,759.72

Finding the Fourth Proportional to 12,524.64, 18,789.84 and 3,759.72

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Solution

The fourth proportional to 12,524.64, 18,789.84 and 3,759.72 is: 5,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.64 : 18,789.84 = 3,759.72 : x
  2. Step 2: Convert to fraction form
    12,524.64/18,789.84 = 3,759.72/x
  3. Step 3: Cross multiply
    12,524.64x = 18,789.84 × 3,759.72
  4. Step 4: Simplify right side
    12,524.64x = 70,644,537.24
  5. Step 5: Solve for x
    x = 70,644,537.24/12,524.64
  6. Step 6: Final answer
    x = 5,640.44

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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.