Home / 13,959.35-20,940.96-4,097.24

Finding the Fourth Proportional to 13,959.35, 20,940.96 and 4,097.24

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Solution

The fourth proportional to 13,959.35, 20,940.96 and 4,097.24 is: 6,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.35 : 20,940.96 = 4,097.24 : x
  2. Step 2: Convert to fraction form
    13,959.35/20,940.96 = 4,097.24/x
  3. Step 3: Cross multiply
    13,959.35x = 20,940.96 × 4,097.24
  4. Step 4: Simplify right side
    13,959.35x = 85,800,138.95
  5. Step 5: Solve for x
    x = 85,800,138.95/13,959.35
  6. Step 6: Final answer
    x = 6,146.43

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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.