Home / 18,107.27-27,161.47-5,627.36

Finding the Fourth Proportional to 18,107.27, 27,161.47 and 5,627.36

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Solution

The fourth proportional to 18,107.27, 27,161.47 and 5,627.36 is: 8,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.27 : 27,161.47 = 5,627.36 : x
  2. Step 2: Convert to fraction form
    18,107.27/27,161.47 = 5,627.36/x
  3. Step 3: Cross multiply
    18,107.27x = 27,161.47 × 5,627.36
  4. Step 4: Simplify right side
    18,107.27x = 152,847,369.82
  5. Step 5: Solve for x
    x = 152,847,369.82/18,107.27
  6. Step 6: Final answer
    x = 8,441.22

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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.