Home / 17,917.28-24,724.32-9,956.96

Finding the Fourth Proportional to 17,917.28, 24,724.32 and 9,956.96

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Solution

The fourth proportional to 17,917.28, 24,724.32 and 9,956.96 is: 13,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.28 : 24,724.32 = 9,956.96 : x
  2. Step 2: Convert to fraction form
    17,917.28/24,724.32 = 9,956.96/x
  3. Step 3: Cross multiply
    17,917.28x = 24,724.32 × 9,956.96
  4. Step 4: Simplify right side
    17,917.28x = 246,179,065.27
  5. Step 5: Solve for x
    x = 246,179,065.27/17,917.28
  6. Step 6: Final answer
    x = 13,739.76

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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.