Home / 13,166.07-19,757.20-11,935.68

Finding the Fourth Proportional to 13,166.07, 19,757.20 and 11,935.68

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Solution

The fourth proportional to 13,166.07, 19,757.20 and 11,935.68 is: 17,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.07 : 19,757.20 = 11,935.68 : x
  2. Step 2: Convert to fraction form
    13,166.07/19,757.20 = 11,935.68/x
  3. Step 3: Cross multiply
    13,166.07x = 19,757.20 × 11,935.68
  4. Step 4: Simplify right side
    13,166.07x = 235,815,616.90
  5. Step 5: Solve for x
    x = 235,815,616.90/13,166.07
  6. Step 6: Final answer
    x = 17,910.86

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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.