Home / 13,107.31-19,647.11-8,936.98

Finding the Fourth Proportional to 13,107.31, 19,647.11 and 8,936.98

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Solution

The fourth proportional to 13,107.31, 19,647.11 and 8,936.98 is: 13,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.31 : 19,647.11 = 8,936.98 : x
  2. Step 2: Convert to fraction form
    13,107.31/19,647.11 = 8,936.98/x
  3. Step 3: Cross multiply
    13,107.31x = 19,647.11 × 8,936.98
  4. Step 4: Simplify right side
    13,107.31x = 175,585,802.35
  5. Step 5: Solve for x
    x = 175,585,802.35/13,107.31
  6. Step 6: Final answer
    x = 13,396.02

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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.