Home / 18,367.43-27,550.62-5,219.78

Finding the Fourth Proportional to 18,367.43, 27,550.62 and 5,219.78

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Solution

The fourth proportional to 18,367.43, 27,550.62 and 5,219.78 is: 7,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.43 : 27,550.62 = 5,219.78 : x
  2. Step 2: Convert to fraction form
    18,367.43/27,550.62 = 5,219.78/x
  3. Step 3: Cross multiply
    18,367.43x = 27,550.62 × 5,219.78
  4. Step 4: Simplify right side
    18,367.43x = 143,808,037.51
  5. Step 5: Solve for x
    x = 143,808,037.51/18,367.43
  6. Step 6: Final answer
    x = 7,829.52

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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.