Home / 12,172.14-18,260.37-6,328.26

Finding the Fourth Proportional to 12,172.14, 18,260.37 and 6,328.26

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Solution

The fourth proportional to 12,172.14, 18,260.37 and 6,328.26 is: 9,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172.14 : 18,260.37 = 6,328.26 : x
  2. Step 2: Convert to fraction form
    12,172.14/18,260.37 = 6,328.26/x
  3. Step 3: Cross multiply
    12,172.14x = 18,260.37 × 6,328.26
  4. Step 4: Simplify right side
    12,172.14x = 115,556,369.06
  5. Step 5: Solve for x
    x = 115,556,369.06/12,172.14
  6. Step 6: Final answer
    x = 9,493.51

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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.