Home / 13,107.36-19,644.12-6,086.64

Finding the Fourth Proportional to 13,107.36, 19,644.12 and 6,086.64

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Solution

The fourth proportional to 13,107.36, 19,644.12 and 6,086.64 is: 9,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.36 : 19,644.12 = 6,086.64 : x
  2. Step 2: Convert to fraction form
    13,107.36/19,644.12 = 6,086.64/x
  3. Step 3: Cross multiply
    13,107.36x = 19,644.12 × 6,086.64
  4. Step 4: Simplify right side
    13,107.36x = 119,566,686.56
  5. Step 5: Solve for x
    x = 119,566,686.56/13,107.36
  6. Step 6: Final answer
    x = 9,122.10

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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.