Home / 18,149.74-27,213.40-16,602.78

Finding the Fourth Proportional to 18,149.74, 27,213.40 and 16,602.78

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Solution

The fourth proportional to 18,149.74, 27,213.40 and 16,602.78 is: 24,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.74 : 27,213.40 = 16,602.78 : x
  2. Step 2: Convert to fraction form
    18,149.74/27,213.40 = 16,602.78/x
  3. Step 3: Cross multiply
    18,149.74x = 27,213.40 × 16,602.78
  4. Step 4: Simplify right side
    18,149.74x = 451,818,093.25
  5. Step 5: Solve for x
    x = 451,818,093.25/18,149.74
  6. Step 6: Final answer
    x = 24,893.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.