Home / 18,812.03-28,198.49-6,327.81

Finding the Fourth Proportional to 18,812.03, 28,198.49 and 6,327.81

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Solution

The fourth proportional to 18,812.03, 28,198.49 and 6,327.81 is: 9,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.03 : 28,198.49 = 6,327.81 : x
  2. Step 2: Convert to fraction form
    18,812.03/28,198.49 = 6,327.81/x
  3. Step 3: Cross multiply
    18,812.03x = 28,198.49 × 6,327.81
  4. Step 4: Simplify right side
    18,812.03x = 178,434,655.37
  5. Step 5: Solve for x
    x = 178,434,655.37/18,812.03
  6. Step 6: Final answer
    x = 9,485.14

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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.