Home / 10,183.17-15,274.75-2,787.69

Finding the Fourth Proportional to 10,183.17, 15,274.75 and 2,787.69

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Solution

The fourth proportional to 10,183.17, 15,274.75 and 2,787.69 is: 4,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.17 : 15,274.75 = 2,787.69 : x
  2. Step 2: Convert to fraction form
    10,183.17/15,274.75 = 2,787.69/x
  3. Step 3: Cross multiply
    10,183.17x = 15,274.75 × 2,787.69
  4. Step 4: Simplify right side
    10,183.17x = 42,581,267.83
  5. Step 5: Solve for x
    x = 42,581,267.83/10,183.17
  6. Step 6: Final answer
    x = 4,181.53

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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.