Home / 14,247.63-19,661.19-8,198.80

Finding the Fourth Proportional to 14,247.63, 19,661.19 and 8,198.80

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Solution

The fourth proportional to 14,247.63, 19,661.19 and 8,198.80 is: 11,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.63 : 19,661.19 = 8,198.80 : x
  2. Step 2: Convert to fraction form
    14,247.63/19,661.19 = 8,198.80/x
  3. Step 3: Cross multiply
    14,247.63x = 19,661.19 × 8,198.80
  4. Step 4: Simplify right side
    14,247.63x = 161,198,164.57
  5. Step 5: Solve for x
    x = 161,198,164.57/14,247.63
  6. Step 6: Final answer
    x = 11,314.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.