Home / 19,914.92-27,473.36-12,843.62

Finding the Fourth Proportional to 19,914.92, 27,473.36 and 12,843.62

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Solution

The fourth proportional to 19,914.92, 27,473.36 and 12,843.62 is: 17,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.92 : 27,473.36 = 12,843.62 : x
  2. Step 2: Convert to fraction form
    19,914.92/27,473.36 = 12,843.62/x
  3. Step 3: Cross multiply
    19,914.92x = 27,473.36 × 12,843.62
  4. Step 4: Simplify right side
    19,914.92x = 352,857,395.96
  5. Step 5: Solve for x
    x = 352,857,395.96/19,914.92
  6. Step 6: Final answer
    x = 17,718.24

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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.