Home / 11,206.92-16,812.90-3,416.52

Finding the Fourth Proportional to 11,206.92, 16,812.90 and 3,416.52

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Solution

The fourth proportional to 11,206.92, 16,812.90 and 3,416.52 is: 5,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.92 : 16,812.90 = 3,416.52 : x
  2. Step 2: Convert to fraction form
    11,206.92/16,812.90 = 3,416.52/x
  3. Step 3: Cross multiply
    11,206.92x = 16,812.90 × 3,416.52
  4. Step 4: Simplify right side
    11,206.92x = 57,441,609.11
  5. Step 5: Solve for x
    x = 57,441,609.11/11,206.92
  6. Step 6: Final answer
    x = 5,125.55

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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.