Home / 11,412.33-17,120.39-3,623.01

Finding the Fourth Proportional to 11,412.33, 17,120.39 and 3,623.01

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Solution

The fourth proportional to 11,412.33, 17,120.39 and 3,623.01 is: 5,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.33 : 17,120.39 = 3,623.01 : x
  2. Step 2: Convert to fraction form
    11,412.33/17,120.39 = 3,623.01/x
  3. Step 3: Cross multiply
    11,412.33x = 17,120.39 × 3,623.01
  4. Step 4: Simplify right side
    11,412.33x = 62,027,326.06
  5. Step 5: Solve for x
    x = 62,027,326.06/11,412.33
  6. Step 6: Final answer
    x = 5,435.12

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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.