Home / 21,185.06-29,234.39-11,624.73

Finding the Fourth Proportional to 21,185.06, 29,234.39 and 11,624.73

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Solution

The fourth proportional to 21,185.06, 29,234.39 and 11,624.73 is: 16,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,185.06 : 29,234.39 = 11,624.73 : x
  2. Step 2: Convert to fraction form
    21,185.06/29,234.39 = 11,624.73/x
  3. Step 3: Cross multiply
    21,185.06x = 29,234.39 × 11,624.73
  4. Step 4: Simplify right side
    21,185.06x = 339,841,832.34
  5. Step 5: Solve for x
    x = 339,841,832.34/21,185.06
  6. Step 6: Final answer
    x = 16,041.58

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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.