Home / 13,633.20-20,450.82-7,060.58

Finding the Fourth Proportional to 13,633.20, 20,450.82 and 7,060.58

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Solution

The fourth proportional to 13,633.20, 20,450.82 and 7,060.58 is: 10,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.20 : 20,450.82 = 7,060.58 : x
  2. Step 2: Convert to fraction form
    13,633.20/20,450.82 = 7,060.58/x
  3. Step 3: Cross multiply
    13,633.20x = 20,450.82 × 7,060.58
  4. Step 4: Simplify right side
    13,633.20x = 144,394,651.59
  5. Step 5: Solve for x
    x = 144,394,651.59/13,633.20
  6. Step 6: Final answer
    x = 10,591.40

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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.