Home / 11,181.79-16,772.73-3,390.67

Finding the Fourth Proportional to 11,181.79, 16,772.73 and 3,390.67

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Solution

The fourth proportional to 11,181.79, 16,772.73 and 3,390.67 is: 5,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.79 : 16,772.73 = 3,390.67 : x
  2. Step 2: Convert to fraction form
    11,181.79/16,772.73 = 3,390.67/x
  3. Step 3: Cross multiply
    11,181.79x = 16,772.73 × 3,390.67
  4. Step 4: Simplify right side
    11,181.79x = 56,870,792.43
  5. Step 5: Solve for x
    x = 56,870,792.43/11,181.79
  6. Step 6: Final answer
    x = 5,086.02

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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.