Home / 11,529.80-17,262.30-11,205.80

Finding the Fourth Proportional to 11,529.80, 17,262.30 and 11,205.80

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Solution

The fourth proportional to 11,529.80, 17,262.30 and 11,205.80 is: 16,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.80 : 17,262.30 = 11,205.80 : x
  2. Step 2: Convert to fraction form
    11,529.80/17,262.30 = 11,205.80/x
  3. Step 3: Cross multiply
    11,529.80x = 17,262.30 × 11,205.80
  4. Step 4: Simplify right side
    11,529.80x = 193,437,881.34
  5. Step 5: Solve for x
    x = 193,437,881.34/11,529.80
  6. Step 6: Final answer
    x = 16,777.21

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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.