Home / 12,683.97-19,028.79-6,115.68

Finding the Fourth Proportional to 12,683.97, 19,028.79 and 6,115.68

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Solution

The fourth proportional to 12,683.97, 19,028.79 and 6,115.68 is: 9,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.97 : 19,028.79 = 6,115.68 : x
  2. Step 2: Convert to fraction form
    12,683.97/19,028.79 = 6,115.68/x
  3. Step 3: Cross multiply
    12,683.97x = 19,028.79 × 6,115.68
  4. Step 4: Simplify right side
    12,683.97x = 116,373,990.43
  5. Step 5: Solve for x
    x = 116,373,990.43/12,683.97
  6. Step 6: Final answer
    x = 9,174.89

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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.