Home / 19,775.82-27,282.96-12,208.98

Finding the Fourth Proportional to 19,775.82, 27,282.96 and 12,208.98

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Solution

The fourth proportional to 19,775.82, 27,282.96 and 12,208.98 is: 16,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.82 : 27,282.96 = 12,208.98 : x
  2. Step 2: Convert to fraction form
    19,775.82/27,282.96 = 12,208.98/x
  3. Step 3: Cross multiply
    19,775.82x = 27,282.96 × 12,208.98
  4. Step 4: Simplify right side
    19,775.82x = 333,097,112.98
  5. Step 5: Solve for x
    x = 333,097,112.98/19,775.82
  6. Step 6: Final answer
    x = 16,843.66

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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.