Home / 11,206.55-16,809.82-3,415.37

Finding the Fourth Proportional to 11,206.55, 16,809.82 and 3,415.37

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Solution

The fourth proportional to 11,206.55, 16,809.82 and 3,415.37 is: 5,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.55 : 16,809.82 = 3,415.37 : x
  2. Step 2: Convert to fraction form
    11,206.55/16,809.82 = 3,415.37/x
  3. Step 3: Cross multiply
    11,206.55x = 16,809.82 × 3,415.37
  4. Step 4: Simplify right side
    11,206.55x = 57,411,662.35
  5. Step 5: Solve for x
    x = 57,411,662.35/11,206.55
  6. Step 6: Final answer
    x = 5,123.04

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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.