Home / 18,683.06-28,018.50-6,199.73

Finding the Fourth Proportional to 18,683.06, 28,018.50 and 6,199.73

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Solution

The fourth proportional to 18,683.06, 28,018.50 and 6,199.73 is: 9,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.06 : 28,018.50 = 6,199.73 : x
  2. Step 2: Convert to fraction form
    18,683.06/28,018.50 = 6,199.73/x
  3. Step 3: Cross multiply
    18,683.06x = 28,018.50 × 6,199.73
  4. Step 4: Simplify right side
    18,683.06x = 173,707,224.58
  5. Step 5: Solve for x
    x = 173,707,224.58/18,683.06
  6. Step 6: Final answer
    x = 9,297.58

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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.