Home / 12,348.23-18,522.54-4,028.21

Finding the Fourth Proportional to 12,348.23, 18,522.54 and 4,028.21

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Solution

The fourth proportional to 12,348.23, 18,522.54 and 4,028.21 is: 6,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.23 : 18,522.54 = 4,028.21 : x
  2. Step 2: Convert to fraction form
    12,348.23/18,522.54 = 4,028.21/x
  3. Step 3: Cross multiply
    12,348.23x = 18,522.54 × 4,028.21
  4. Step 4: Simplify right side
    12,348.23x = 74,612,680.85
  5. Step 5: Solve for x
    x = 74,612,680.85/12,348.23
  6. Step 6: Final answer
    x = 6,042.38

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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.