Home / 13,107.27-19,664.02-4,223.44

Finding the Fourth Proportional to 13,107.27, 19,664.02 and 4,223.44

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Solution

The fourth proportional to 13,107.27, 19,664.02 and 4,223.44 is: 6,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.27 : 19,664.02 = 4,223.44 : x
  2. Step 2: Convert to fraction form
    13,107.27/19,664.02 = 4,223.44/x
  3. Step 3: Cross multiply
    13,107.27x = 19,664.02 × 4,223.44
  4. Step 4: Simplify right side
    13,107.27x = 83,049,704.12
  5. Step 5: Solve for x
    x = 83,049,704.12/13,107.27
  6. Step 6: Final answer
    x = 6,336.16

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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.