Home / 13,863.78-20,795.82-4,629.78

Finding the Fourth Proportional to 13,863.78, 20,795.82 and 4,629.78

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Solution

The fourth proportional to 13,863.78, 20,795.82 and 4,629.78 is: 6,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.78 : 20,795.82 = 4,629.78 : x
  2. Step 2: Convert to fraction form
    13,863.78/20,795.82 = 4,629.78/x
  3. Step 3: Cross multiply
    13,863.78x = 20,795.82 × 4,629.78
  4. Step 4: Simplify right side
    13,863.78x = 96,280,071.52
  5. Step 5: Solve for x
    x = 96,280,071.52/13,863.78
  6. Step 6: Final answer
    x = 6,944.72

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1.5x scale

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.