Home / 12,584.25-18,880.49-3,819.17

Finding the Fourth Proportional to 12,584.25, 18,880.49 and 3,819.17

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Solution

The fourth proportional to 12,584.25, 18,880.49 and 3,819.17 is: 5,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.25 : 18,880.49 = 3,819.17 : x
  2. Step 2: Convert to fraction form
    12,584.25/18,880.49 = 3,819.17/x
  3. Step 3: Cross multiply
    12,584.25x = 18,880.49 × 3,819.17
  4. Step 4: Simplify right side
    12,584.25x = 72,107,857.74
  5. Step 5: Solve for x
    x = 72,107,857.74/12,584.25
  6. Step 6: Final answer
    x = 5,730.01

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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.