Home / 12,183.06-18,274.63-2,949.06

Finding the Fourth Proportional to 12,183.06, 18,274.63 and 2,949.06

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Solution

The fourth proportional to 12,183.06, 18,274.63 and 2,949.06 is: 4,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.06 : 18,274.63 = 2,949.06 : x
  2. Step 2: Convert to fraction form
    12,183.06/18,274.63 = 2,949.06/x
  3. Step 3: Cross multiply
    12,183.06x = 18,274.63 × 2,949.06
  4. Step 4: Simplify right side
    12,183.06x = 53,892,980.35
  5. Step 5: Solve for x
    x = 53,892,980.35/12,183.06
  6. Step 6: Final answer
    x = 4,423.60

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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.