Home / 21,548.92-29,736.86-13,056.06

Finding the Fourth Proportional to 21,548.92, 29,736.86 and 13,056.06

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Solution

The fourth proportional to 21,548.92, 29,736.86 and 13,056.06 is: 18,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.92 : 29,736.86 = 13,056.06 : x
  2. Step 2: Convert to fraction form
    21,548.92/29,736.86 = 13,056.06/x
  3. Step 3: Cross multiply
    21,548.92x = 29,736.86 × 13,056.06
  4. Step 4: Simplify right side
    21,548.92x = 388,246,228.37
  5. Step 5: Solve for x
    x = 388,246,228.37/21,548.92
  6. Step 6: Final answer
    x = 18,016.97

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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.