Home / 16,194.64-22,348.70-9,121.20

Finding the Fourth Proportional to 16,194.64, 22,348.70 and 9,121.20

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Solution

The fourth proportional to 16,194.64, 22,348.70 and 9,121.20 is: 12,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,194.64 : 22,348.70 = 9,121.20 : x
  2. Step 2: Convert to fraction form
    16,194.64/22,348.70 = 9,121.20/x
  3. Step 3: Cross multiply
    16,194.64x = 22,348.70 × 9,121.20
  4. Step 4: Simplify right side
    16,194.64x = 203,846,962.44
  5. Step 5: Solve for x
    x = 203,846,962.44/16,194.64
  6. Step 6: Final answer
    x = 12,587.31

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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.