Home / 13,450.23-20,175.28-3,454.97

Finding the Fourth Proportional to 13,450.23, 20,175.28 and 3,454.97

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Solution

The fourth proportional to 13,450.23, 20,175.28 and 3,454.97 is: 5,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.23 : 20,175.28 = 3,454.97 : x
  2. Step 2: Convert to fraction form
    13,450.23/20,175.28 = 3,454.97/x
  3. Step 3: Cross multiply
    13,450.23x = 20,175.28 × 3,454.97
  4. Step 4: Simplify right side
    13,450.23x = 69,704,877.63
  5. Step 5: Solve for x
    x = 69,704,877.63/13,450.23
  6. Step 6: Final answer
    x = 5,182.43

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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.