Home / 12,240.02-18,361.44-4,450.65

Finding the Fourth Proportional to 12,240.02, 18,361.44 and 4,450.65

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Solution

The fourth proportional to 12,240.02, 18,361.44 and 4,450.65 is: 6,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.02 : 18,361.44 = 4,450.65 : x
  2. Step 2: Convert to fraction form
    12,240.02/18,361.44 = 4,450.65/x
  3. Step 3: Cross multiply
    12,240.02x = 18,361.44 × 4,450.65
  4. Step 4: Simplify right side
    12,240.02x = 81,720,342.94
  5. Step 5: Solve for x
    x = 81,720,342.94/12,240.02
  6. Step 6: Final answer
    x = 6,676.49

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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.