Home / 10,183.22-15,274.83-2,787.74

Finding the Fourth Proportional to 10,183.22, 15,274.83 and 2,787.74

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Solution

The fourth proportional to 10,183.22, 15,274.83 and 2,787.74 is: 4,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.22 : 15,274.83 = 2,787.74 : x
  2. Step 2: Convert to fraction form
    10,183.22/15,274.83 = 2,787.74/x
  3. Step 3: Cross multiply
    10,183.22x = 15,274.83 × 2,787.74
  4. Step 4: Simplify right side
    10,183.22x = 42,582,178.21
  5. Step 5: Solve for x
    x = 42,582,178.21/10,183.22
  6. Step 6: Final answer
    x = 4,181.60

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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.