Home / 11,110.01-16,667.63-3,318.62

Finding the Fourth Proportional to 11,110.01, 16,667.63 and 3,318.62

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Solution

The fourth proportional to 11,110.01, 16,667.63 and 3,318.62 is: 4,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.01 : 16,667.63 = 3,318.62 : x
  2. Step 2: Convert to fraction form
    11,110.01/16,667.63 = 3,318.62/x
  3. Step 3: Cross multiply
    11,110.01x = 16,667.63 × 3,318.62
  4. Step 4: Simplify right side
    11,110.01x = 55,313,442.78
  5. Step 5: Solve for x
    x = 55,313,442.78/11,110.01
  6. Step 6: Final answer
    x = 4,978.71

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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.