Home / 11,181.05-16,768.08-3,281.59

Finding the Fourth Proportional to 11,181.05, 16,768.08 and 3,281.59

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Solution

The fourth proportional to 11,181.05, 16,768.08 and 3,281.59 is: 4,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.05 : 16,768.08 = 3,281.59 : x
  2. Step 2: Convert to fraction form
    11,181.05/16,768.08 = 3,281.59/x
  3. Step 3: Cross multiply
    11,181.05x = 16,768.08 × 3,281.59
  4. Step 4: Simplify right side
    11,181.05x = 55,025,984.61
  5. Step 5: Solve for x
    x = 55,025,984.61/11,181.05
  6. Step 6: Final answer
    x = 4,921.36

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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.