Home / 12,396.68-17,107.38-7,364.36

Finding the Fourth Proportional to 12,396.68, 17,107.38 and 7,364.36

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Solution

The fourth proportional to 12,396.68, 17,107.38 and 7,364.36 is: 10,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.68 : 17,107.38 = 7,364.36 : x
  2. Step 2: Convert to fraction form
    12,396.68/17,107.38 = 7,364.36/x
  3. Step 3: Cross multiply
    12,396.68x = 17,107.38 × 7,364.36
  4. Step 4: Simplify right side
    12,396.68x = 125,984,904.98
  5. Step 5: Solve for x
    x = 125,984,904.98/12,396.68
  6. Step 6: Final answer
    x = 10,162.79

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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.