Home / 17,956.20-24,778.32-9,998.20

Finding the Fourth Proportional to 17,956.20, 24,778.32 and 9,998.20

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Solution

The fourth proportional to 17,956.20, 24,778.32 and 9,998.20 is: 13,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.20 : 24,778.32 = 9,998.20 : x
  2. Step 2: Convert to fraction form
    17,956.20/24,778.32 = 9,998.20/x
  3. Step 3: Cross multiply
    17,956.20x = 24,778.32 × 9,998.20
  4. Step 4: Simplify right side
    17,956.20x = 247,738,599.02
  5. Step 5: Solve for x
    x = 247,738,599.02/17,956.20
  6. Step 6: Final answer
    x = 13,796.83

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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.