Home / 18,852.30-28,273.78-6,372.05

Finding the Fourth Proportional to 18,852.30, 28,273.78 and 6,372.05

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Solution

The fourth proportional to 18,852.30, 28,273.78 and 6,372.05 is: 9,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.30 : 28,273.78 = 6,372.05 : x
  2. Step 2: Convert to fraction form
    18,852.30/28,273.78 = 6,372.05/x
  3. Step 3: Cross multiply
    18,852.30x = 28,273.78 × 6,372.05
  4. Step 4: Simplify right side
    18,852.30x = 180,161,766.62
  5. Step 5: Solve for x
    x = 180,161,766.62/18,852.30
  6. Step 6: Final answer
    x = 9,556.49

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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.