Home / 12,968.05-17,896.14-7,662.85

Finding the Fourth Proportional to 12,968.05, 17,896.14 and 7,662.85

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Solution

The fourth proportional to 12,968.05, 17,896.14 and 7,662.85 is: 10,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.05 : 17,896.14 = 7,662.85 : x
  2. Step 2: Convert to fraction form
    12,968.05/17,896.14 = 7,662.85/x
  3. Step 3: Cross multiply
    12,968.05x = 17,896.14 × 7,662.85
  4. Step 4: Simplify right side
    12,968.05x = 137,135,436.40
  5. Step 5: Solve for x
    x = 137,135,436.40/12,968.05
  6. Step 6: Final answer
    x = 10,574.87

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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.