Home / 17,147.49-25,698.68-7,274.55

Finding the Fourth Proportional to 17,147.49, 25,698.68 and 7,274.55

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Solution

The fourth proportional to 17,147.49, 25,698.68 and 7,274.55 is: 10,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.49 : 25,698.68 = 7,274.55 : x
  2. Step 2: Convert to fraction form
    17,147.49/25,698.68 = 7,274.55/x
  3. Step 3: Cross multiply
    17,147.49x = 25,698.68 × 7,274.55
  4. Step 4: Simplify right side
    17,147.49x = 186,946,296.22
  5. Step 5: Solve for x
    x = 186,946,296.22/17,147.49
  6. Step 6: Final answer
    x = 10,902.25

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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.