Home / 13,256.87-19,884.99-3,896.64

Finding the Fourth Proportional to 13,256.87, 19,884.99 and 3,896.64

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Solution

The fourth proportional to 13,256.87, 19,884.99 and 3,896.64 is: 5,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.87 : 19,884.99 = 3,896.64 : x
  2. Step 2: Convert to fraction form
    13,256.87/19,884.99 = 3,896.64/x
  3. Step 3: Cross multiply
    13,256.87x = 19,884.99 × 3,896.64
  4. Step 4: Simplify right side
    13,256.87x = 77,484,662.05
  5. Step 5: Solve for x
    x = 77,484,662.05/13,256.87
  6. Step 6: Final answer
    x = 5,844.87

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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.