Home / 12,083.52-18,127.80-3,650.22

Finding the Fourth Proportional to 12,083.52, 18,127.80 and 3,650.22

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Solution

The fourth proportional to 12,083.52, 18,127.80 and 3,650.22 is: 5,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.52 : 18,127.80 = 3,650.22 : x
  2. Step 2: Convert to fraction form
    12,083.52/18,127.80 = 3,650.22/x
  3. Step 3: Cross multiply
    12,083.52x = 18,127.80 × 3,650.22
  4. Step 4: Simplify right side
    12,083.52x = 66,170,458.12
  5. Step 5: Solve for x
    x = 66,170,458.12/12,083.52
  6. Step 6: Final answer
    x = 5,476.09

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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.