Home / 21,546.06-29,733.02-11,985.92

Finding the Fourth Proportional to 21,546.06, 29,733.02 and 11,985.92

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Solution

The fourth proportional to 21,546.06, 29,733.02 and 11,985.92 is: 16,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.06 : 29,733.02 = 11,985.92 : x
  2. Step 2: Convert to fraction form
    21,546.06/29,733.02 = 11,985.92/x
  3. Step 3: Cross multiply
    21,546.06x = 29,733.02 × 11,985.92
  4. Step 4: Simplify right side
    21,546.06x = 356,377,599.08
  5. Step 5: Solve for x
    x = 356,377,599.08/21,546.06
  6. Step 6: Final answer
    x = 16,540.27

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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.