Home / 15,872.43-23,809.62-4,185.64

Finding the Fourth Proportional to 15,872.43, 23,809.62 and 4,185.64

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Solution

The fourth proportional to 15,872.43, 23,809.62 and 4,185.64 is: 6,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.43 : 23,809.62 = 4,185.64 : x
  2. Step 2: Convert to fraction form
    15,872.43/23,809.62 = 4,185.64/x
  3. Step 3: Cross multiply
    15,872.43x = 23,809.62 × 4,185.64
  4. Step 4: Simplify right side
    15,872.43x = 99,658,497.86
  5. Step 5: Solve for x
    x = 99,658,497.86/15,872.43
  6. Step 6: Final answer
    x = 6,278.72

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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.