Home / 18,212.28-27,322.05-5,735.45

Finding the Fourth Proportional to 18,212.28, 27,322.05 and 5,735.45

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Solution

The fourth proportional to 18,212.28, 27,322.05 and 5,735.45 is: 8,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.28 : 27,322.05 = 5,735.45 : x
  2. Step 2: Convert to fraction form
    18,212.28/27,322.05 = 5,735.45/x
  3. Step 3: Cross multiply
    18,212.28x = 27,322.05 × 5,735.45
  4. Step 4: Simplify right side
    18,212.28x = 156,704,115.06
  5. Step 5: Solve for x
    x = 156,704,115.06/18,212.28
  6. Step 6: Final answer
    x = 8,604.31

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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.