Home / 10,183.60-15,274.16-2,787.76

Finding the Fourth Proportional to 10,183.60, 15,274.16 and 2,787.76

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Solution

The fourth proportional to 10,183.60, 15,274.16 and 2,787.76 is: 4,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.60 : 15,274.16 = 2,787.76 : x
  2. Step 2: Convert to fraction form
    10,183.60/15,274.16 = 2,787.76/x
  3. Step 3: Cross multiply
    10,183.60x = 15,274.16 × 2,787.76
  4. Step 4: Simplify right side
    10,183.60x = 42,580,692.28
  5. Step 5: Solve for x
    x = 42,580,692.28/10,183.60
  6. Step 6: Final answer
    x = 4,181.30

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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.