Home / 19,892.26-27,450.77-10,939.76

Finding the Fourth Proportional to 19,892.26, 27,450.77 and 10,939.76

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Solution

The fourth proportional to 19,892.26, 27,450.77 and 10,939.76 is: 15,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.26 : 27,450.77 = 10,939.76 : x
  2. Step 2: Convert to fraction form
    19,892.26/27,450.77 = 10,939.76/x
  3. Step 3: Cross multiply
    19,892.26x = 27,450.77 × 10,939.76
  4. Step 4: Simplify right side
    19,892.26x = 300,304,726.00
  5. Step 5: Solve for x
    x = 300,304,726.00/19,892.26
  6. Step 6: Final answer
    x = 15,096.56

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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.