Home / 12,584.18-18,876.23-3,819.11

Finding the Fourth Proportional to 12,584.18, 18,876.23 and 3,819.11

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Solution

The fourth proportional to 12,584.18, 18,876.23 and 3,819.11 is: 5,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.18 : 18,876.23 = 3,819.11 : x
  2. Step 2: Convert to fraction form
    12,584.18/18,876.23 = 3,819.11/x
  3. Step 3: Cross multiply
    12,584.18x = 18,876.23 × 3,819.11
  4. Step 4: Simplify right side
    12,584.18x = 72,090,285.28
  5. Step 5: Solve for x
    x = 72,090,285.28/12,584.18
  6. Step 6: Final answer
    x = 5,728.65

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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.