Home / 21,296.44-29,387.91-11,736.01

Finding the Fourth Proportional to 21,296.44, 29,387.91 and 11,736.01

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Solution

The fourth proportional to 21,296.44, 29,387.91 and 11,736.01 is: 16,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.44 : 29,387.91 = 11,736.01 : x
  2. Step 2: Convert to fraction form
    21,296.44/29,387.91 = 11,736.01/x
  3. Step 3: Cross multiply
    21,296.44x = 29,387.91 × 11,736.01
  4. Step 4: Simplify right side
    21,296.44x = 344,896,805.64
  5. Step 5: Solve for x
    x = 344,896,805.64/21,296.44
  6. Step 6: Final answer
    x = 16,195.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.