Home / 21,046.05-29,043.71-11,486.01

Finding the Fourth Proportional to 21,046.05, 29,043.71 and 11,486.01

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Solution

The fourth proportional to 21,046.05, 29,043.71 and 11,486.01 is: 15,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.05 : 29,043.71 = 11,486.01 : x
  2. Step 2: Convert to fraction form
    21,046.05/29,043.71 = 11,486.01/x
  3. Step 3: Cross multiply
    21,046.05x = 29,043.71 × 11,486.01
  4. Step 4: Simplify right side
    21,046.05x = 333,596,438.05
  5. Step 5: Solve for x
    x = 333,596,438.05/21,046.05
  6. Step 6: Final answer
    x = 15,850.79

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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.