Home / 12,568.32-18,844.56-4,768.56

Finding the Fourth Proportional to 12,568.32, 18,844.56 and 4,768.56

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Solution

The fourth proportional to 12,568.32, 18,844.56 and 4,768.56 is: 7,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.32 : 18,844.56 = 4,768.56 : x
  2. Step 2: Convert to fraction form
    12,568.32/18,844.56 = 4,768.56/x
  3. Step 3: Cross multiply
    12,568.32x = 18,844.56 × 4,768.56
  4. Step 4: Simplify right side
    12,568.32x = 89,861,415.03
  5. Step 5: Solve for x
    x = 89,861,415.03/12,568.32
  6. Step 6: Final answer
    x = 7,149.84

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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.