Home / 12,171.96-18,259.73-3,850.09

Finding the Fourth Proportional to 12,171.96, 18,259.73 and 3,850.09

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Solution

The fourth proportional to 12,171.96, 18,259.73 and 3,850.09 is: 5,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.96 : 18,259.73 = 3,850.09 : x
  2. Step 2: Convert to fraction form
    12,171.96/18,259.73 = 3,850.09/x
  3. Step 3: Cross multiply
    12,171.96x = 18,259.73 × 3,850.09
  4. Step 4: Simplify right side
    12,171.96x = 70,301,553.41
  5. Step 5: Solve for x
    x = 70,301,553.41/12,171.96
  6. Step 6: Final answer
    x = 5,775.70

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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.