Home / 16,512.07-22,791.87-11,142.31

Finding the Fourth Proportional to 16,512.07, 22,791.87 and 11,142.31

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Solution

The fourth proportional to 16,512.07, 22,791.87 and 11,142.31 is: 15,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.07 : 22,791.87 = 11,142.31 : x
  2. Step 2: Convert to fraction form
    16,512.07/22,791.87 = 11,142.31/x
  3. Step 3: Cross multiply
    16,512.07x = 22,791.87 × 11,142.31
  4. Step 4: Simplify right side
    16,512.07x = 253,954,081.02
  5. Step 5: Solve for x
    x = 253,954,081.02/16,512.07
  6. Step 6: Final answer
    x = 15,379.91

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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.