Home / 12,582.54-18,879.19-4,263.43

Finding the Fourth Proportional to 12,582.54, 18,879.19 and 4,263.43

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Solution

The fourth proportional to 12,582.54, 18,879.19 and 4,263.43 is: 6,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.54 : 18,879.19 = 4,263.43 : x
  2. Step 2: Convert to fraction form
    12,582.54/18,879.19 = 4,263.43/x
  3. Step 3: Cross multiply
    12,582.54x = 18,879.19 × 4,263.43
  4. Step 4: Simplify right side
    12,582.54x = 80,490,105.02
  5. Step 5: Solve for x
    x = 80,490,105.02/12,582.54
  6. Step 6: Final answer
    x = 6,396.97

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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.