Home / 12,243.06-18,365.67-4,449.78

Finding the Fourth Proportional to 12,243.06, 18,365.67 and 4,449.78

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Solution

The fourth proportional to 12,243.06, 18,365.67 and 4,449.78 is: 6,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.06 : 18,365.67 = 4,449.78 : x
  2. Step 2: Convert to fraction form
    12,243.06/18,365.67 = 4,449.78/x
  3. Step 3: Cross multiply
    12,243.06x = 18,365.67 × 4,449.78
  4. Step 4: Simplify right side
    12,243.06x = 81,723,191.05
  5. Step 5: Solve for x
    x = 81,723,191.05/12,243.06
  6. Step 6: Final answer
    x = 6,675.06

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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.