Home / 11,489.89-17,234.43-3,698.50

Finding the Fourth Proportional to 11,489.89, 17,234.43 and 3,698.50

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Solution

The fourth proportional to 11,489.89, 17,234.43 and 3,698.50 is: 5,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.89 : 17,234.43 = 3,698.50 : x
  2. Step 2: Convert to fraction form
    11,489.89/17,234.43 = 3,698.50/x
  3. Step 3: Cross multiply
    11,489.89x = 17,234.43 × 3,698.50
  4. Step 4: Simplify right side
    11,489.89x = 63,741,539.36
  5. Step 5: Solve for x
    x = 63,741,539.36/11,489.89
  6. Step 6: Final answer
    x = 5,547.62

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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.