Home / 12,020.76-18,032.16-3,255.48

Finding the Fourth Proportional to 12,020.76, 18,032.16 and 3,255.48

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Solution

The fourth proportional to 12,020.76, 18,032.16 and 3,255.48 is: 4,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.76 : 18,032.16 = 3,255.48 : x
  2. Step 2: Convert to fraction form
    12,020.76/18,032.16 = 3,255.48/x
  3. Step 3: Cross multiply
    12,020.76x = 18,032.16 × 3,255.48
  4. Step 4: Simplify right side
    12,020.76x = 58,703,336.24
  5. Step 5: Solve for x
    x = 58,703,336.24/12,020.76
  6. Step 6: Final answer
    x = 4,883.50

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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.