Home / 16,272.80-22,455.60-9,198.80

Finding the Fourth Proportional to 16,272.80, 22,455.60 and 9,198.80

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Solution

The fourth proportional to 16,272.80, 22,455.60 and 9,198.80 is: 12,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.80 : 22,455.60 = 9,198.80 : x
  2. Step 2: Convert to fraction form
    16,272.80/22,455.60 = 9,198.80/x
  3. Step 3: Cross multiply
    16,272.80x = 22,455.60 × 9,198.80
  4. Step 4: Simplify right side
    16,272.80x = 206,564,573.28
  5. Step 5: Solve for x
    x = 206,564,573.28/16,272.80
  6. Step 6: Final answer
    x = 12,693.86

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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.