Home / 11,232.57-16,848.78-2,912.57

Finding the Fourth Proportional to 11,232.57, 16,848.78 and 2,912.57

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Solution

The fourth proportional to 11,232.57, 16,848.78 and 2,912.57 is: 4,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.57 : 16,848.78 = 2,912.57 : x
  2. Step 2: Convert to fraction form
    11,232.57/16,848.78 = 2,912.57/x
  3. Step 3: Cross multiply
    11,232.57x = 16,848.78 × 2,912.57
  4. Step 4: Simplify right side
    11,232.57x = 49,073,166.92
  5. Step 5: Solve for x
    x = 49,073,166.92/11,232.57
  6. Step 6: Final answer
    x = 4,368.83

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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.