Home / 18,550.32-27,829.60-5,403.68

Finding the Fourth Proportional to 18,550.32, 27,829.60 and 5,403.68

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Solution

The fourth proportional to 18,550.32, 27,829.60 and 5,403.68 is: 8,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.32 : 27,829.60 = 5,403.68 : x
  2. Step 2: Convert to fraction form
    18,550.32/27,829.60 = 5,403.68/x
  3. Step 3: Cross multiply
    18,550.32x = 27,829.60 × 5,403.68
  4. Step 4: Simplify right side
    18,550.32x = 150,382,252.93
  5. Step 5: Solve for x
    x = 150,382,252.93/18,550.32
  6. Step 6: Final answer
    x = 8,106.72

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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.