Home / 11,206.56-16,809.83-3,415.38

Finding the Fourth Proportional to 11,206.56, 16,809.83 and 3,415.38

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Solution

The fourth proportional to 11,206.56, 16,809.83 and 3,415.38 is: 5,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.56 : 16,809.83 = 3,415.38 : x
  2. Step 2: Convert to fraction form
    11,206.56/16,809.83 = 3,415.38/x
  3. Step 3: Cross multiply
    11,206.56x = 16,809.83 × 3,415.38
  4. Step 4: Simplify right side
    11,206.56x = 57,411,889.88
  5. Step 5: Solve for x
    x = 57,411,889.88/11,206.56
  6. Step 6: Final answer
    x = 5,123.06

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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.