Home / 12,448.83-18,676.40-3,683.73

Finding the Fourth Proportional to 12,448.83, 18,676.40 and 3,683.73

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Solution

The fourth proportional to 12,448.83, 18,676.40 and 3,683.73 is: 5,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.83 : 18,676.40 = 3,683.73 : x
  2. Step 2: Convert to fraction form
    12,448.83/18,676.40 = 3,683.73/x
  3. Step 3: Cross multiply
    12,448.83x = 18,676.40 × 3,683.73
  4. Step 4: Simplify right side
    12,448.83x = 68,798,796.55
  5. Step 5: Solve for x
    x = 68,798,796.55/12,448.83
  6. Step 6: Final answer
    x = 5,526.53

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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.