Home / 16,772.73-23,146.38-9,219.05

Finding the Fourth Proportional to 16,772.73, 23,146.38 and 9,219.05

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Solution

The fourth proportional to 16,772.73, 23,146.38 and 9,219.05 is: 12,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.73 : 23,146.38 = 9,219.05 : x
  2. Step 2: Convert to fraction form
    16,772.73/23,146.38 = 9,219.05/x
  3. Step 3: Cross multiply
    16,772.73x = 23,146.38 × 9,219.05
  4. Step 4: Simplify right side
    16,772.73x = 213,387,634.54
  5. Step 5: Solve for x
    x = 213,387,634.54/16,772.73
  6. Step 6: Final answer
    x = 12,722.30

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Double scale
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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.