Home / 10,183.66-15,275.94-2,787.94

Finding the Fourth Proportional to 10,183.66, 15,275.94 and 2,787.94

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Solution

The fourth proportional to 10,183.66, 15,275.94 and 2,787.94 is: 4,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.66 : 15,275.94 = 2,787.94 : x
  2. Step 2: Convert to fraction form
    10,183.66/15,275.94 = 2,787.94/x
  3. Step 3: Cross multiply
    10,183.66x = 15,275.94 × 2,787.94
  4. Step 4: Simplify right side
    10,183.66x = 42,588,404.16
  5. Step 5: Solve for x
    x = 42,588,404.16/10,183.66
  6. Step 6: Final answer
    x = 4,182.03

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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.