Home / 13,395.29-20,091.22-3,535.31

Finding the Fourth Proportional to 13,395.29, 20,091.22 and 3,535.31

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Solution

The fourth proportional to 13,395.29, 20,091.22 and 3,535.31 is: 5,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.29 : 20,091.22 = 3,535.31 : x
  2. Step 2: Convert to fraction form
    13,395.29/20,091.22 = 3,535.31/x
  3. Step 3: Cross multiply
    13,395.29x = 20,091.22 × 3,535.31
  4. Step 4: Simplify right side
    13,395.29x = 71,028,690.98
  5. Step 5: Solve for x
    x = 71,028,690.98/13,395.29
  6. Step 6: Final answer
    x = 5,302.51

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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.