Home / 9,397-12,968.27-5,205.25

Finding the Fourth Proportional to 9,397, 12,968.27 and 5,205.25

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Solution

The fourth proportional to 9,397, 12,968.27 and 5,205.25 is: 7,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397 : 12,968.27 = 5,205.25 : x
  2. Step 2: Convert to fraction form
    9,397/12,968.27 = 5,205.25/x
  3. Step 3: Cross multiply
    9,397x = 12,968.27 × 5,205.25
  4. Step 4: Simplify right side
    9,397x = 67,503,061.39
  5. Step 5: Solve for x
    x = 67,503,061.39/9,397
  6. Step 6: Final answer
    x = 7,183.47

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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.