Home / 18,130.20-27,195.62-4,982.48

Finding the Fourth Proportional to 18,130.20, 27,195.62 and 4,982.48

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Solution

The fourth proportional to 18,130.20, 27,195.62 and 4,982.48 is: 7,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.20 : 27,195.62 = 4,982.48 : x
  2. Step 2: Convert to fraction form
    18,130.20/27,195.62 = 4,982.48/x
  3. Step 3: Cross multiply
    18,130.20x = 27,195.62 × 4,982.48
  4. Step 4: Simplify right side
    18,130.20x = 135,501,632.74
  5. Step 5: Solve for x
    x = 135,501,632.74/18,130.20
  6. Step 6: Final answer
    x = 7,473.81

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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.