Home / 10,183.49-15,276.29-2,787.94

Finding the Fourth Proportional to 10,183.49, 15,276.29 and 2,787.94

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Solution

The fourth proportional to 10,183.49, 15,276.29 and 2,787.94 is: 4,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.49 : 15,276.29 = 2,787.94 : x
  2. Step 2: Convert to fraction form
    10,183.49/15,276.29 = 2,787.94/x
  3. Step 3: Cross multiply
    10,183.49x = 15,276.29 × 2,787.94
  4. Step 4: Simplify right side
    10,183.49x = 42,589,428.06
  5. Step 5: Solve for x
    x = 42,589,428.06/10,183.49
  6. Step 6: Final answer
    x = 4,182.21

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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.