Home / 18,798.48-28,198.41-6,318.93

Finding the Fourth Proportional to 18,798.48, 28,198.41 and 6,318.93

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Solution

The fourth proportional to 18,798.48, 28,198.41 and 6,318.93 is: 9,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.48 : 28,198.41 = 6,318.93 : x
  2. Step 2: Convert to fraction form
    18,798.48/28,198.41 = 6,318.93/x
  3. Step 3: Cross multiply
    18,798.48x = 28,198.41 × 6,318.93
  4. Step 4: Simplify right side
    18,798.48x = 178,183,778.90
  5. Step 5: Solve for x
    x = 178,183,778.90/18,798.48
  6. Step 6: Final answer
    x = 9,478.63

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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.