Home / 10,183.46-15,275.21-2,787.99

Finding the Fourth Proportional to 10,183.46, 15,275.21 and 2,787.99

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Solution

The fourth proportional to 10,183.46, 15,275.21 and 2,787.99 is: 4,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.46 : 15,275.21 = 2,787.99 : x
  2. Step 2: Convert to fraction form
    10,183.46/15,275.21 = 2,787.99/x
  3. Step 3: Cross multiply
    10,183.46x = 15,275.21 × 2,787.99
  4. Step 4: Simplify right side
    10,183.46x = 42,587,118.79
  5. Step 5: Solve for x
    x = 42,587,118.79/10,183.46
  6. Step 6: Final answer
    x = 4,181.99

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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.