Home / 12,639.26-18,961.59-4,848

Finding the Fourth Proportional to 12,639.26, 18,961.59 and 4,848

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Solution

The fourth proportional to 12,639.26, 18,961.59 and 4,848 is: 7,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639.26 : 18,961.59 = 4,848 : x
  2. Step 2: Convert to fraction form
    12,639.26/18,961.59 = 4,848/x
  3. Step 3: Cross multiply
    12,639.26x = 18,961.59 × 4,848
  4. Step 4: Simplify right side
    12,639.26x = 91,925,788.32
  5. Step 5: Solve for x
    x = 91,925,788.32/12,639.26
  6. Step 6: Final answer
    x = 7,273.04

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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.