Home / 12,243.02-18,365.94-4,453.65

Finding the Fourth Proportional to 12,243.02, 18,365.94 and 4,453.65

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Solution

The fourth proportional to 12,243.02, 18,365.94 and 4,453.65 is: 6,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.02 : 18,365.94 = 4,453.65 : x
  2. Step 2: Convert to fraction form
    12,243.02/18,365.94 = 4,453.65/x
  3. Step 3: Cross multiply
    12,243.02x = 18,365.94 × 4,453.65
  4. Step 4: Simplify right side
    12,243.02x = 81,795,468.68
  5. Step 5: Solve for x
    x = 81,795,468.68/12,243.02
  6. Step 6: Final answer
    x = 6,680.99

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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.