Home / 13,519.62-20,283.09-4,159.44

Finding the Fourth Proportional to 13,519.62, 20,283.09 and 4,159.44

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Solution

The fourth proportional to 13,519.62, 20,283.09 and 4,159.44 is: 6,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.62 : 20,283.09 = 4,159.44 : x
  2. Step 2: Convert to fraction form
    13,519.62/20,283.09 = 4,159.44/x
  3. Step 3: Cross multiply
    13,519.62x = 20,283.09 × 4,159.44
  4. Step 4: Simplify right side
    13,519.62x = 84,366,295.87
  5. Step 5: Solve for x
    x = 84,366,295.87/13,519.62
  6. Step 6: Final answer
    x = 6,240.29

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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.