Home / 12,913.41-19,367.99-12,072.84

Finding the Fourth Proportional to 12,913.41, 19,367.99 and 12,072.84

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Solution

The fourth proportional to 12,913.41, 19,367.99 and 12,072.84 is: 18,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.41 : 19,367.99 = 12,072.84 : x
  2. Step 2: Convert to fraction form
    12,913.41/19,367.99 = 12,072.84/x
  3. Step 3: Cross multiply
    12,913.41x = 19,367.99 × 12,072.84
  4. Step 4: Simplify right side
    12,913.41x = 233,826,644.39
  5. Step 5: Solve for x
    x = 233,826,644.39/12,913.41
  6. Step 6: Final answer
    x = 18,107.27

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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.