Home / 21,736.06-32,604.09-11,869.95

Finding the Fourth Proportional to 21,736.06, 32,604.09 and 11,869.95

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Solution

The fourth proportional to 21,736.06, 32,604.09 and 11,869.95 is: 17,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.06 : 32,604.09 = 11,869.95 : x
  2. Step 2: Convert to fraction form
    21,736.06/32,604.09 = 11,869.95/x
  3. Step 3: Cross multiply
    21,736.06x = 32,604.09 × 11,869.95
  4. Step 4: Simplify right side
    21,736.06x = 387,008,995.85
  5. Step 5: Solve for x
    x = 387,008,995.85/21,736.06
  6. Step 6: Final answer
    x = 17,804.93

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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.