Home / 18,775.57-28,162.27-6,295.09

Finding the Fourth Proportional to 18,775.57, 28,162.27 and 6,295.09

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Solution

The fourth proportional to 18,775.57, 28,162.27 and 6,295.09 is: 9,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.57 : 28,162.27 = 6,295.09 : x
  2. Step 2: Convert to fraction form
    18,775.57/28,162.27 = 6,295.09/x
  3. Step 3: Cross multiply
    18,775.57x = 28,162.27 × 6,295.09
  4. Step 4: Simplify right side
    18,775.57x = 177,284,024.25
  5. Step 5: Solve for x
    x = 177,284,024.25/18,775.57
  6. Step 6: Final answer
    x = 9,442.27

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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.