Home / 12,635.64-18,956.70-4,845.06

Finding the Fourth Proportional to 12,635.64, 18,956.70 and 4,845.06

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Solution

The fourth proportional to 12,635.64, 18,956.70 and 4,845.06 is: 7,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.64 : 18,956.70 = 4,845.06 : x
  2. Step 2: Convert to fraction form
    12,635.64/18,956.70 = 4,845.06/x
  3. Step 3: Cross multiply
    12,635.64x = 18,956.70 × 4,845.06
  4. Step 4: Simplify right side
    12,635.64x = 91,846,348.90
  5. Step 5: Solve for x
    x = 91,846,348.90/12,635.64
  6. Step 6: Final answer
    x = 7,268.83

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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.