Home / 21,184.22-29,234.03-11,623.92

Finding the Fourth Proportional to 21,184.22, 29,234.03 and 11,623.92

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Solution

The fourth proportional to 21,184.22, 29,234.03 and 11,623.92 is: 16,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.22 : 29,234.03 = 11,623.92 : x
  2. Step 2: Convert to fraction form
    21,184.22/29,234.03 = 11,623.92/x
  3. Step 3: Cross multiply
    21,184.22x = 29,234.03 × 11,623.92
  4. Step 4: Simplify right side
    21,184.22x = 339,813,967.88
  5. Step 5: Solve for x
    x = 339,813,967.88/21,184.22
  6. Step 6: Final answer
    x = 16,040.90

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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.