Home / 16,268.80-22,450.80-9,195.20

Finding the Fourth Proportional to 16,268.80, 22,450.80 and 9,195.20

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Solution

The fourth proportional to 16,268.80, 22,450.80 and 9,195.20 is: 12,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.80 : 22,450.80 = 9,195.20 : x
  2. Step 2: Convert to fraction form
    16,268.80/22,450.80 = 9,195.20/x
  3. Step 3: Cross multiply
    16,268.80x = 22,450.80 × 9,195.20
  4. Step 4: Simplify right side
    16,268.80x = 206,439,596.16
  5. Step 5: Solve for x
    x = 206,439,596.16/16,268.80
  6. Step 6: Final answer
    x = 12,689.29

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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.