Home / 19,635.40-29,453.10-13,414.60

Finding the Fourth Proportional to 19,635.40, 29,453.10 and 13,414.60

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Solution

The fourth proportional to 19,635.40, 29,453.10 and 13,414.60 is: 20,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.40 : 29,453.10 = 13,414.60 : x
  2. Step 2: Convert to fraction form
    19,635.40/29,453.10 = 13,414.60/x
  3. Step 3: Cross multiply
    19,635.40x = 29,453.10 × 13,414.60
  4. Step 4: Simplify right side
    19,635.40x = 395,101,555.26
  5. Step 5: Solve for x
    x = 395,101,555.26/19,635.40
  6. Step 6: Final answer
    x = 20,121.90

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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.