Home / 18,846.22-28,269.60-8,986.54

Finding the Fourth Proportional to 18,846.22, 28,269.60 and 8,986.54

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Solution

The fourth proportional to 18,846.22, 28,269.60 and 8,986.54 is: 13,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.22 : 28,269.60 = 8,986.54 : x
  2. Step 2: Convert to fraction form
    18,846.22/28,269.60 = 8,986.54/x
  3. Step 3: Cross multiply
    18,846.22x = 28,269.60 × 8,986.54
  4. Step 4: Simplify right side
    18,846.22x = 254,045,891.18
  5. Step 5: Solve for x
    x = 254,045,891.18/18,846.22
  6. Step 6: Final answer
    x = 13,479.94

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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.