Home / 9,396.39-12,967.16-5,147.37

Finding the Fourth Proportional to 9,396.39, 12,967.16 and 5,147.37

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Solution

The fourth proportional to 9,396.39, 12,967.16 and 5,147.37 is: 7,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.39 : 12,967.16 = 5,147.37 : x
  2. Step 2: Convert to fraction form
    9,396.39/12,967.16 = 5,147.37/x
  3. Step 3: Cross multiply
    9,396.39x = 12,967.16 × 5,147.37
  4. Step 4: Simplify right side
    9,396.39x = 66,746,744.63
  5. Step 5: Solve for x
    x = 66,746,744.63/9,396.39
  6. Step 6: Final answer
    x = 7,103.45

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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.