Home / 18,964.87-28,447.33-6,485.02

Finding the Fourth Proportional to 18,964.87, 28,447.33 and 6,485.02

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Solution

The fourth proportional to 18,964.87, 28,447.33 and 6,485.02 is: 9,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.87 : 28,447.33 = 6,485.02 : x
  2. Step 2: Convert to fraction form
    18,964.87/28,447.33 = 6,485.02/x
  3. Step 3: Cross multiply
    18,964.87x = 28,447.33 × 6,485.02
  4. Step 4: Simplify right side
    18,964.87x = 184,481,504.00
  5. Step 5: Solve for x
    x = 184,481,504.00/18,964.87
  6. Step 6: Final answer
    x = 9,727.54

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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.