Home / 11,977.01-17,964.09-3,212.54

Finding the Fourth Proportional to 11,977.01, 17,964.09 and 3,212.54

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Solution

The fourth proportional to 11,977.01, 17,964.09 and 3,212.54 is: 4,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.01 : 17,964.09 = 3,212.54 : x
  2. Step 2: Convert to fraction form
    11,977.01/17,964.09 = 3,212.54/x
  3. Step 3: Cross multiply
    11,977.01x = 17,964.09 × 3,212.54
  4. Step 4: Simplify right side
    11,977.01x = 57,710,267.87
  5. Step 5: Solve for x
    x = 57,710,267.87/11,977.01
  6. Step 6: Final answer
    x = 4,818.42

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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.