Home / 12,791.96-17,651.64-9,436.58

Finding the Fourth Proportional to 12,791.96, 17,651.64 and 9,436.58

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Solution

The fourth proportional to 12,791.96, 17,651.64 and 9,436.58 is: 13,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.96 : 17,651.64 = 9,436.58 : x
  2. Step 2: Convert to fraction form
    12,791.96/17,651.64 = 9,436.58/x
  3. Step 3: Cross multiply
    12,791.96x = 17,651.64 × 9,436.58
  4. Step 4: Simplify right side
    12,791.96x = 166,571,112.99
  5. Step 5: Solve for x
    x = 166,571,112.99/12,791.96
  6. Step 6: Final answer
    x = 13,021.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.