Home / 22,236.02-30,684.82-12,164.20

Finding the Fourth Proportional to 22,236.02, 30,684.82 and 12,164.20

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Solution

The fourth proportional to 22,236.02, 30,684.82 and 12,164.20 is: 16,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.02 : 30,684.82 = 12,164.20 : x
  2. Step 2: Convert to fraction form
    22,236.02/30,684.82 = 12,164.20/x
  3. Step 3: Cross multiply
    22,236.02x = 30,684.82 × 12,164.20
  4. Step 4: Simplify right side
    22,236.02x = 373,256,134.02
  5. Step 5: Solve for x
    x = 373,256,134.02/22,236.02
  6. Step 6: Final answer
    x = 16,786.11

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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.