Home / 12,942.58-19,414.24-3,582.66

Finding the Fourth Proportional to 12,942.58, 19,414.24 and 3,582.66

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Solution

The fourth proportional to 12,942.58, 19,414.24 and 3,582.66 is: 5,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.58 : 19,414.24 = 3,582.66 : x
  2. Step 2: Convert to fraction form
    12,942.58/19,414.24 = 3,582.66/x
  3. Step 3: Cross multiply
    12,942.58x = 19,414.24 × 3,582.66
  4. Step 4: Simplify right side
    12,942.58x = 69,554,621.08
  5. Step 5: Solve for x
    x = 69,554,621.08/12,942.58
  6. Step 6: Final answer
    x = 5,374.09

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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.