Home / 25,144.80-37,694.88-12,648.48

Finding the Fourth Proportional to 25,144.80, 37,694.88 and 12,648.48

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Solution

The fourth proportional to 25,144.80, 37,694.88 and 12,648.48 is: 18,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.80 : 37,694.88 = 12,648.48 : x
  2. Step 2: Convert to fraction form
    25,144.80/37,694.88 = 12,648.48/x
  3. Step 3: Cross multiply
    25,144.80x = 37,694.88 × 12,648.48
  4. Step 4: Simplify right side
    25,144.80x = 476,782,935.78
  5. Step 5: Solve for x
    x = 476,782,935.78/25,144.80
  6. Step 6: Final answer
    x = 18,961.49

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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.