Home / 19,725.39-27,221.18-10,772.73

Finding the Fourth Proportional to 19,725.39, 27,221.18 and 10,772.73

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Solution

The fourth proportional to 19,725.39, 27,221.18 and 10,772.73 is: 14,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.39 : 27,221.18 = 10,772.73 : x
  2. Step 2: Convert to fraction form
    19,725.39/27,221.18 = 10,772.73/x
  3. Step 3: Cross multiply
    19,725.39x = 27,221.18 × 10,772.73
  4. Step 4: Simplify right side
    19,725.39x = 293,246,313.25
  5. Step 5: Solve for x
    x = 293,246,313.25/19,725.39
  6. Step 6: Final answer
    x = 14,866.44

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Double scale
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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.