Home / 12,021.30-18,032.04-3,256.20

Finding the Fourth Proportional to 12,021.30, 18,032.04 and 3,256.20

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Solution

The fourth proportional to 12,021.30, 18,032.04 and 3,256.20 is: 4,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.30 : 18,032.04 = 3,256.20 : x
  2. Step 2: Convert to fraction form
    12,021.30/18,032.04 = 3,256.20/x
  3. Step 3: Cross multiply
    12,021.30x = 18,032.04 × 3,256.20
  4. Step 4: Simplify right side
    12,021.30x = 58,715,928.65
  5. Step 5: Solve for x
    x = 58,715,928.65/12,021.30
  6. Step 6: Final answer
    x = 4,884.32

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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.