Home / 16,019.80-23,997.86-12,540.76

Finding the Fourth Proportional to 16,019.80, 23,997.86 and 12,540.76

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Solution

The fourth proportional to 16,019.80, 23,997.86 and 12,540.76 is: 18,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,019.80 : 23,997.86 = 12,540.76 : x
  2. Step 2: Convert to fraction form
    16,019.80/23,997.86 = 12,540.76/x
  3. Step 3: Cross multiply
    16,019.80x = 23,997.86 × 12,540.76
  4. Step 4: Simplify right side
    16,019.80x = 300,951,402.77
  5. Step 5: Solve for x
    x = 300,951,402.77/16,019.80
  6. Step 6: Final answer
    x = 18,786.21

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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.