Home / 12,021.52-18,032.38-3,256.52

Finding the Fourth Proportional to 12,021.52, 18,032.38 and 3,256.52

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Solution

The fourth proportional to 12,021.52, 18,032.38 and 3,256.52 is: 4,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.52 : 18,032.38 = 3,256.52 : x
  2. Step 2: Convert to fraction form
    12,021.52/18,032.38 = 3,256.52/x
  3. Step 3: Cross multiply
    12,021.52x = 18,032.38 × 3,256.52
  4. Step 4: Simplify right side
    12,021.52x = 58,722,806.12
  5. Step 5: Solve for x
    x = 58,722,806.12/12,021.52
  6. Step 6: Final answer
    x = 4,884.81

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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.