Home / 16,512.90-22,791.12-11,209.44

Finding the Fourth Proportional to 16,512.90, 22,791.12 and 11,209.44

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Solution

The fourth proportional to 16,512.90, 22,791.12 and 11,209.44 is: 15,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.90 : 22,791.12 = 11,209.44 : x
  2. Step 2: Convert to fraction form
    16,512.90/22,791.12 = 11,209.44/x
  3. Step 3: Cross multiply
    16,512.90x = 22,791.12 × 11,209.44
  4. Step 4: Simplify right side
    16,512.90x = 255,475,692.17
  5. Step 5: Solve for x
    x = 255,475,692.17/16,512.90
  6. Step 6: Final answer
    x = 15,471.28

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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.