Home / 11,125.35-16,690.66-3,628.87

Finding the Fourth Proportional to 11,125.35, 16,690.66 and 3,628.87

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Solution

The fourth proportional to 11,125.35, 16,690.66 and 3,628.87 is: 5,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.35 : 16,690.66 = 3,628.87 : x
  2. Step 2: Convert to fraction form
    11,125.35/16,690.66 = 3,628.87/x
  3. Step 3: Cross multiply
    11,125.35x = 16,690.66 × 3,628.87
  4. Step 4: Simplify right side
    11,125.35x = 60,568,184.56
  5. Step 5: Solve for x
    x = 60,568,184.56/11,125.35
  6. Step 6: Final answer
    x = 5,444.16

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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.