Home / 12,450.70-17,198.76-9,950.30

Finding the Fourth Proportional to 12,450.70, 17,198.76 and 9,950.30

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Solution

The fourth proportional to 12,450.70, 17,198.76 and 9,950.30 is: 13,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.70 : 17,198.76 = 9,950.30 : x
  2. Step 2: Convert to fraction form
    12,450.70/17,198.76 = 9,950.30/x
  3. Step 3: Cross multiply
    12,450.70x = 17,198.76 × 9,950.30
  4. Step 4: Simplify right side
    12,450.70x = 171,132,821.63
  5. Step 5: Solve for x
    x = 171,132,821.63/12,450.70
  6. Step 6: Final answer
    x = 13,744.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.