Home / 18,304.44-27,456.66-7,771.56

Finding the Fourth Proportional to 18,304.44, 27,456.66 and 7,771.56

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Solution

The fourth proportional to 18,304.44, 27,456.66 and 7,771.56 is: 11,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.44 : 27,456.66 = 7,771.56 : x
  2. Step 2: Convert to fraction form
    18,304.44/27,456.66 = 7,771.56/x
  3. Step 3: Cross multiply
    18,304.44x = 27,456.66 × 7,771.56
  4. Step 4: Simplify right side
    18,304.44x = 213,381,080.59
  5. Step 5: Solve for x
    x = 213,381,080.59/18,304.44
  6. Step 6: Final answer
    x = 11,657.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.