Home / 12,553.62-18,825.67-4,231.41

Finding the Fourth Proportional to 12,553.62, 18,825.67 and 4,231.41

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Solution

The fourth proportional to 12,553.62, 18,825.67 and 4,231.41 is: 6,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.62 : 18,825.67 = 4,231.41 : x
  2. Step 2: Convert to fraction form
    12,553.62/18,825.67 = 4,231.41/x
  3. Step 3: Cross multiply
    12,553.62x = 18,825.67 × 4,231.41
  4. Step 4: Simplify right side
    12,553.62x = 79,659,128.29
  5. Step 5: Solve for x
    x = 79,659,128.29/12,553.62
  6. Step 6: Final answer
    x = 6,345.51

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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.