Home / 21,604.12-32,406.18-11,194

Finding the Fourth Proportional to 21,604.12, 32,406.18 and 11,194

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Solution

The fourth proportional to 21,604.12, 32,406.18 and 11,194 is: 16,791

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.12 : 32,406.18 = 11,194 : x
  2. Step 2: Convert to fraction form
    21,604.12/32,406.18 = 11,194/x
  3. Step 3: Cross multiply
    21,604.12x = 32,406.18 × 11,194
  4. Step 4: Simplify right side
    21,604.12x = 362,754,778.92
  5. Step 5: Solve for x
    x = 362,754,778.92/21,604.12
  6. Step 6: Final answer
    x = 16,791

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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.