Home / 18,126.36-27,190.42-6,441.32

Finding the Fourth Proportional to 18,126.36, 27,190.42 and 6,441.32

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Solution

The fourth proportional to 18,126.36, 27,190.42 and 6,441.32 is: 9,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.36 : 27,190.42 = 6,441.32 : x
  2. Step 2: Convert to fraction form
    18,126.36/27,190.42 = 6,441.32/x
  3. Step 3: Cross multiply
    18,126.36x = 27,190.42 × 6,441.32
  4. Step 4: Simplify right side
    18,126.36x = 175,142,196.15
  5. Step 5: Solve for x
    x = 175,142,196.15/18,126.36
  6. Step 6: Final answer
    x = 9,662.29

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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.