Home / 21,228.06-29,293.98-11,796

Finding the Fourth Proportional to 21,228.06, 29,293.98 and 11,796

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Solution

The fourth proportional to 21,228.06, 29,293.98 and 11,796 is: 16,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,228.06 : 29,293.98 = 11,796 : x
  2. Step 2: Convert to fraction form
    21,228.06/29,293.98 = 11,796/x
  3. Step 3: Cross multiply
    21,228.06x = 29,293.98 × 11,796
  4. Step 4: Simplify right side
    21,228.06x = 345,551,788.08
  5. Step 5: Solve for x
    x = 345,551,788.08/21,228.06
  6. Step 6: Final answer
    x = 16,278.07

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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.