Home / 10,684.16-16,027.15-2,787.72

Finding the Fourth Proportional to 10,684.16, 16,027.15 and 2,787.72

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Solution

The fourth proportional to 10,684.16, 16,027.15 and 2,787.72 is: 4,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.16 : 16,027.15 = 2,787.72 : x
  2. Step 2: Convert to fraction form
    10,684.16/16,027.15 = 2,787.72/x
  3. Step 3: Cross multiply
    10,684.16x = 16,027.15 × 2,787.72
  4. Step 4: Simplify right side
    10,684.16x = 44,679,206.60
  5. Step 5: Solve for x
    x = 44,679,206.60/10,684.16
  6. Step 6: Final answer
    x = 4,181.82

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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.