Home / 19,828.98-27,353.62-11,757.94

Finding the Fourth Proportional to 19,828.98, 27,353.62 and 11,757.94

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Solution

The fourth proportional to 19,828.98, 27,353.62 and 11,757.94 is: 16,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.98 : 27,353.62 = 11,757.94 : x
  2. Step 2: Convert to fraction form
    19,828.98/27,353.62 = 11,757.94/x
  3. Step 3: Cross multiply
    19,828.98x = 27,353.62 × 11,757.94
  4. Step 4: Simplify right side
    19,828.98x = 321,622,222.74
  5. Step 5: Solve for x
    x = 321,622,222.74/19,828.98
  6. Step 6: Final answer
    x = 16,219.81

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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.