Home / 11,881.08-17,821.63-3,561.97

Finding the Fourth Proportional to 11,881.08, 17,821.63 and 3,561.97

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Solution

The fourth proportional to 11,881.08, 17,821.63 and 3,561.97 is: 5,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.08 : 17,821.63 = 3,561.97 : x
  2. Step 2: Convert to fraction form
    11,881.08/17,821.63 = 3,561.97/x
  3. Step 3: Cross multiply
    11,881.08x = 17,821.63 × 3,561.97
  4. Step 4: Simplify right side
    11,881.08x = 63,480,111.41
  5. Step 5: Solve for x
    x = 63,480,111.41/11,881.08
  6. Step 6: Final answer
    x = 5,342.96

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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.