Home / 13,107.63-19,664.33-9,634.35

Finding the Fourth Proportional to 13,107.63, 19,664.33 and 9,634.35

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Solution

The fourth proportional to 13,107.63, 19,664.33 and 9,634.35 is: 14,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.63 : 19,664.33 = 9,634.35 : x
  2. Step 2: Convert to fraction form
    13,107.63/19,664.33 = 9,634.35/x
  3. Step 3: Cross multiply
    13,107.63x = 19,664.33 × 9,634.35
  4. Step 4: Simplify right side
    13,107.63x = 189,452,989.56
  5. Step 5: Solve for x
    x = 189,452,989.56/13,107.63
  6. Step 6: Final answer
    x = 14,453.64

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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.