Home / 12,348.30-18,522.79-4,028.83

Finding the Fourth Proportional to 12,348.30, 18,522.79 and 4,028.83

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Solution

The fourth proportional to 12,348.30, 18,522.79 and 4,028.83 is: 6,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.30 : 18,522.79 = 4,028.83 : x
  2. Step 2: Convert to fraction form
    12,348.30/18,522.79 = 4,028.83/x
  3. Step 3: Cross multiply
    12,348.30x = 18,522.79 × 4,028.83
  4. Step 4: Simplify right side
    12,348.30x = 74,625,172.04
  5. Step 5: Solve for x
    x = 74,625,172.04/12,348.30
  6. Step 6: Final answer
    x = 6,043.36

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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.