Home / 11,739.69-17,609.65-2,974.61

Finding the Fourth Proportional to 11,739.69, 17,609.65 and 2,974.61

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Solution

The fourth proportional to 11,739.69, 17,609.65 and 2,974.61 is: 4,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.69 : 17,609.65 = 2,974.61 : x
  2. Step 2: Convert to fraction form
    11,739.69/17,609.65 = 2,974.61/x
  3. Step 3: Cross multiply
    11,739.69x = 17,609.65 × 2,974.61
  4. Step 4: Simplify right side
    11,739.69x = 52,381,840.99
  5. Step 5: Solve for x
    x = 52,381,840.99/11,739.69
  6. Step 6: Final answer
    x = 4,461.94

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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.