Home / 18,261.44-27,395.20-6,412.14

Finding the Fourth Proportional to 18,261.44, 27,395.20 and 6,412.14

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Solution

The fourth proportional to 18,261.44, 27,395.20 and 6,412.14 is: 9,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.44 : 27,395.20 = 6,412.14 : x
  2. Step 2: Convert to fraction form
    18,261.44/27,395.20 = 6,412.14/x
  3. Step 3: Cross multiply
    18,261.44x = 27,395.20 × 6,412.14
  4. Step 4: Simplify right side
    18,261.44x = 175,661,857.73
  5. Step 5: Solve for x
    x = 175,661,857.73/18,261.44
  6. Step 6: Final answer
    x = 9,619.28

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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.