Home / 13,395.78-20,091.92-3,535.82

Finding the Fourth Proportional to 13,395.78, 20,091.92 and 3,535.82

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Solution

The fourth proportional to 13,395.78, 20,091.92 and 3,535.82 is: 5,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.78 : 20,091.92 = 3,535.82 : x
  2. Step 2: Convert to fraction form
    13,395.78/20,091.92 = 3,535.82/x
  3. Step 3: Cross multiply
    13,395.78x = 20,091.92 × 3,535.82
  4. Step 4: Simplify right side
    13,395.78x = 71,041,412.57
  5. Step 5: Solve for x
    x = 71,041,412.57/13,395.78
  6. Step 6: Final answer
    x = 5,303.27

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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.