Home / 15,936.37-22,007.97-13,131.54

Finding the Fourth Proportional to 15,936.37, 22,007.97 and 13,131.54

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Solution

The fourth proportional to 15,936.37, 22,007.97 and 13,131.54 is: 18,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.37 : 22,007.97 = 13,131.54 : x
  2. Step 2: Convert to fraction form
    15,936.37/22,007.97 = 13,131.54/x
  3. Step 3: Cross multiply
    15,936.37x = 22,007.97 × 13,131.54
  4. Step 4: Simplify right side
    15,936.37x = 288,998,538.37
  5. Step 5: Solve for x
    x = 288,998,538.37/15,936.37
  6. Step 6: Final answer
    x = 18,134.53

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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.