Home / 11,809.39-17,710.84-3,489.07

Finding the Fourth Proportional to 11,809.39, 17,710.84 and 3,489.07

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Solution

The fourth proportional to 11,809.39, 17,710.84 and 3,489.07 is: 5,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.39 : 17,710.84 = 3,489.07 : x
  2. Step 2: Convert to fraction form
    11,809.39/17,710.84 = 3,489.07/x
  3. Step 3: Cross multiply
    11,809.39x = 17,710.84 × 3,489.07
  4. Step 4: Simplify right side
    11,809.39x = 61,794,360.52
  5. Step 5: Solve for x
    x = 61,794,360.52/11,809.39
  6. Step 6: Final answer
    x = 5,232.65

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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.