Home / 12,873.84-19,310.46-4,108.62

Finding the Fourth Proportional to 12,873.84, 19,310.46 and 4,108.62

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Solution

The fourth proportional to 12,873.84, 19,310.46 and 4,108.62 is: 6,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.84 : 19,310.46 = 4,108.62 : x
  2. Step 2: Convert to fraction form
    12,873.84/19,310.46 = 4,108.62/x
  3. Step 3: Cross multiply
    12,873.84x = 19,310.46 × 4,108.62
  4. Step 4: Simplify right side
    12,873.84x = 79,339,342.17
  5. Step 5: Solve for x
    x = 79,339,342.17/12,873.84
  6. Step 6: Final answer
    x = 6,162.83

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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.