Home / 16,131.58-22,261.12-8,961.26

Finding the Fourth Proportional to 16,131.58, 22,261.12 and 8,961.26

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Solution

The fourth proportional to 16,131.58, 22,261.12 and 8,961.26 is: 12,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131.58 : 22,261.12 = 8,961.26 : x
  2. Step 2: Convert to fraction form
    16,131.58/22,261.12 = 8,961.26/x
  3. Step 3: Cross multiply
    16,131.58x = 22,261.12 × 8,961.26
  4. Step 4: Simplify right side
    16,131.58x = 199,487,684.21
  5. Step 5: Solve for x
    x = 199,487,684.21/16,131.58
  6. Step 6: Final answer
    x = 12,366.28

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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.