Home / 18,563.76-27,847.44-5,412.60

Finding the Fourth Proportional to 18,563.76, 27,847.44 and 5,412.60

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Solution

The fourth proportional to 18,563.76, 27,847.44 and 5,412.60 is: 8,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.76 : 27,847.44 = 5,412.60 : x
  2. Step 2: Convert to fraction form
    18,563.76/27,847.44 = 5,412.60/x
  3. Step 3: Cross multiply
    18,563.76x = 27,847.44 × 5,412.60
  4. Step 4: Simplify right side
    18,563.76x = 150,727,053.74
  5. Step 5: Solve for x
    x = 150,727,053.74/18,563.76
  6. Step 6: Final answer
    x = 8,119.42

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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.