Home / 13,893.70-20,844.46-5,579.56

Finding the Fourth Proportional to 13,893.70, 20,844.46 and 5,579.56

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Solution

The fourth proportional to 13,893.70, 20,844.46 and 5,579.56 is: 8,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.70 : 20,844.46 = 5,579.56 : x
  2. Step 2: Convert to fraction form
    13,893.70/20,844.46 = 5,579.56/x
  3. Step 3: Cross multiply
    13,893.70x = 20,844.46 × 5,579.56
  4. Step 4: Simplify right side
    13,893.70x = 116,302,873.95
  5. Step 5: Solve for x
    x = 116,302,873.95/13,893.70
  6. Step 6: Final answer
    x = 8,370.91

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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.