Home / 12,744.73-19,106.57-5,623.90

Finding the Fourth Proportional to 12,744.73, 19,106.57 and 5,623.90

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Solution

The fourth proportional to 12,744.73, 19,106.57 and 5,623.90 is: 8,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.73 : 19,106.57 = 5,623.90 : x
  2. Step 2: Convert to fraction form
    12,744.73/19,106.57 = 5,623.90/x
  3. Step 3: Cross multiply
    12,744.73x = 19,106.57 × 5,623.90
  4. Step 4: Simplify right side
    12,744.73x = 107,453,439.02
  5. Step 5: Solve for x
    x = 107,453,439.02/12,744.73
  6. Step 6: Final answer
    x = 8,431.21

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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.