Home / 13,227.17-19,847.56-8,787.94

Finding the Fourth Proportional to 13,227.17, 19,847.56 and 8,787.94

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Solution

The fourth proportional to 13,227.17, 19,847.56 and 8,787.94 is: 13,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.17 : 19,847.56 = 8,787.94 : x
  2. Step 2: Convert to fraction form
    13,227.17/19,847.56 = 8,787.94/x
  3. Step 3: Cross multiply
    13,227.17x = 19,847.56 × 8,787.94
  4. Step 4: Simplify right side
    13,227.17x = 174,419,198.24
  5. Step 5: Solve for x
    x = 174,419,198.24/13,227.17
  6. Step 6: Final answer
    x = 13,186.43

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1.5x scale

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.