Home / 21,084.75-29,097.36-11,653.11

Finding the Fourth Proportional to 21,084.75, 29,097.36 and 11,653.11

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Solution

The fourth proportional to 21,084.75, 29,097.36 and 11,653.11 is: 16,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.75 : 29,097.36 = 11,653.11 : x
  2. Step 2: Convert to fraction form
    21,084.75/29,097.36 = 11,653.11/x
  3. Step 3: Cross multiply
    21,084.75x = 29,097.36 × 11,653.11
  4. Step 4: Simplify right side
    21,084.75x = 339,074,736.79
  5. Step 5: Solve for x
    x = 339,074,736.79/21,084.75
  6. Step 6: Final answer
    x = 16,081.52

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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.