Home / 20,193.36-27,843-13,823.04

Finding the Fourth Proportional to 20,193.36, 27,843 and 13,823.04

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Solution

The fourth proportional to 20,193.36, 27,843 and 13,823.04 is: 19,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.36 : 27,843 = 13,823.04 : x
  2. Step 2: Convert to fraction form
    20,193.36/27,843 = 13,823.04/x
  3. Step 3: Cross multiply
    20,193.36x = 27,843 × 13,823.04
  4. Step 4: Simplify right side
    20,193.36x = 384,874,902.72
  5. Step 5: Solve for x
    x = 384,874,902.72/20,193.36
  6. Step 6: Final answer
    x = 19,059.48

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1.5x scale

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.