Home / 18,529.80-27,786.26-7,994.83

Finding the Fourth Proportional to 18,529.80, 27,786.26 and 7,994.83

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Solution

The fourth proportional to 18,529.80, 27,786.26 and 7,994.83 is: 11,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.80 : 27,786.26 = 7,994.83 : x
  2. Step 2: Convert to fraction form
    18,529.80/27,786.26 = 7,994.83/x
  3. Step 3: Cross multiply
    18,529.80x = 27,786.26 × 7,994.83
  4. Step 4: Simplify right side
    18,529.80x = 222,146,246.13
  5. Step 5: Solve for x
    x = 222,146,246.13/18,529.80
  6. Step 6: Final answer
    x = 11,988.60

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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.