Home / 12,932.84-19,401.28-4,168.64

Finding the Fourth Proportional to 12,932.84, 19,401.28 and 4,168.64

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Solution

The fourth proportional to 12,932.84, 19,401.28 and 4,168.64 is: 6,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.84 : 19,401.28 = 4,168.64 : x
  2. Step 2: Convert to fraction form
    12,932.84/19,401.28 = 4,168.64/x
  3. Step 3: Cross multiply
    12,932.84x = 19,401.28 × 4,168.64
  4. Step 4: Simplify right side
    12,932.84x = 80,876,951.86
  5. Step 5: Solve for x
    x = 80,876,951.86/12,932.84
  6. Step 6: Final answer
    x = 6,253.61

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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.