Home / 11,109.35-16,666.67-3,317.96

Finding the Fourth Proportional to 11,109.35, 16,666.67 and 3,317.96

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Solution

The fourth proportional to 11,109.35, 16,666.67 and 3,317.96 is: 4,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.35 : 16,666.67 = 3,317.96 : x
  2. Step 2: Convert to fraction form
    11,109.35/16,666.67 = 3,317.96/x
  3. Step 3: Cross multiply
    11,109.35x = 16,666.67 × 3,317.96
  4. Step 4: Simplify right side
    11,109.35x = 55,299,344.39
  5. Step 5: Solve for x
    x = 55,299,344.39/11,109.35
  6. Step 6: Final answer
    x = 4,977.73

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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.