Home / 18,108.88-27,039.43-16,222.60

Finding the Fourth Proportional to 18,108.88, 27,039.43 and 16,222.60

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Solution

The fourth proportional to 18,108.88, 27,039.43 and 16,222.60 is: 24,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.88 : 27,039.43 = 16,222.60 : x
  2. Step 2: Convert to fraction form
    18,108.88/27,039.43 = 16,222.60/x
  3. Step 3: Cross multiply
    18,108.88x = 27,039.43 × 16,222.60
  4. Step 4: Simplify right side
    18,108.88x = 438,649,857.12
  5. Step 5: Solve for x
    x = 438,649,857.12/18,108.88
  6. Step 6: Final answer
    x = 24,222.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.