Home / 18,792.02-28,185.87-6,311.54

Finding the Fourth Proportional to 18,792.02, 28,185.87 and 6,311.54

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Solution

The fourth proportional to 18,792.02, 28,185.87 and 6,311.54 is: 9,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.02 : 28,185.87 = 6,311.54 : x
  2. Step 2: Convert to fraction form
    18,792.02/28,185.87 = 6,311.54/x
  3. Step 3: Cross multiply
    18,792.02x = 28,185.87 × 6,311.54
  4. Step 4: Simplify right side
    18,792.02x = 177,896,245.94
  5. Step 5: Solve for x
    x = 177,896,245.94/18,792.02
  6. Step 6: Final answer
    x = 9,466.58

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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.