Home / 18,240.36-25,175.88-15,251.04

Finding the Fourth Proportional to 18,240.36, 25,175.88 and 15,251.04

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Solution

The fourth proportional to 18,240.36, 25,175.88 and 15,251.04 is: 21,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.36 : 25,175.88 = 15,251.04 : x
  2. Step 2: Convert to fraction form
    18,240.36/25,175.88 = 15,251.04/x
  3. Step 3: Cross multiply
    18,240.36x = 25,175.88 × 15,251.04
  4. Step 4: Simplify right side
    18,240.36x = 383,958,352.92
  5. Step 5: Solve for x
    x = 383,958,352.92/18,240.36
  6. Step 6: Final answer
    x = 21,049.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.