Home / 12,764.21-17,596.13-8,450.07

Finding the Fourth Proportional to 12,764.21, 17,596.13 and 8,450.07

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Solution

The fourth proportional to 12,764.21, 17,596.13 and 8,450.07 is: 11,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.21 : 17,596.13 = 8,450.07 : x
  2. Step 2: Convert to fraction form
    12,764.21/17,596.13 = 8,450.07/x
  3. Step 3: Cross multiply
    12,764.21x = 17,596.13 × 8,450.07
  4. Step 4: Simplify right side
    12,764.21x = 148,688,485.37
  5. Step 5: Solve for x
    x = 148,688,485.37/12,764.21
  6. Step 6: Final answer
    x = 11,648.86

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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.