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Finding the Fourth Proportional to 17,968.36, 26,959.74 and 9,206.44

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Solution

The fourth proportional to 17,968.36, 26,959.74 and 9,206.44 is: 13,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.36 : 26,959.74 = 9,206.44 : x
  2. Step 2: Convert to fraction form
    17,968.36/26,959.74 = 9,206.44/x
  3. Step 3: Cross multiply
    17,968.36x = 26,959.74 × 9,206.44
  4. Step 4: Simplify right side
    17,968.36x = 248,203,228.73
  5. Step 5: Solve for x
    x = 248,203,228.73/17,968.36
  6. Step 6: Final answer
    x = 13,813.35

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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.