Home / 21,276.22-29,362.35-11,844.58

Finding the Fourth Proportional to 21,276.22, 29,362.35 and 11,844.58

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Solution

The fourth proportional to 21,276.22, 29,362.35 and 11,844.58 is: 16,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276.22 : 29,362.35 = 11,844.58 : x
  2. Step 2: Convert to fraction form
    21,276.22/29,362.35 = 11,844.58/x
  3. Step 3: Cross multiply
    21,276.22x = 29,362.35 × 11,844.58
  4. Step 4: Simplify right side
    21,276.22x = 347,784,703.56
  5. Step 5: Solve for x
    x = 347,784,703.56/21,276.22
  6. Step 6: Final answer
    x = 16,346.17

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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.