Home / 13,393.97-20,091.81-3,533.27

Finding the Fourth Proportional to 13,393.97, 20,091.81 and 3,533.27

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Solution

The fourth proportional to 13,393.97, 20,091.81 and 3,533.27 is: 5,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.97 : 20,091.81 = 3,533.27 : x
  2. Step 2: Convert to fraction form
    13,393.97/20,091.81 = 3,533.27/x
  3. Step 3: Cross multiply
    13,393.97x = 20,091.81 × 3,533.27
  4. Step 4: Simplify right side
    13,393.97x = 70,989,682.43
  5. Step 5: Solve for x
    x = 70,989,682.43/13,393.97
  6. Step 6: Final answer
    x = 5,300.12

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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.