Home / 18,844.97-28,270.34-6,190.75

Finding the Fourth Proportional to 18,844.97, 28,270.34 and 6,190.75

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Solution

The fourth proportional to 18,844.97, 28,270.34 and 6,190.75 is: 9,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.97 : 28,270.34 = 6,190.75 : x
  2. Step 2: Convert to fraction form
    18,844.97/28,270.34 = 6,190.75/x
  3. Step 3: Cross multiply
    18,844.97x = 28,270.34 × 6,190.75
  4. Step 4: Simplify right side
    18,844.97x = 175,014,607.36
  5. Step 5: Solve for x
    x = 175,014,607.36/18,844.97
  6. Step 6: Final answer
    x = 9,287.07

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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.