Home / 15,694.66-21,693.06-13,791.94

Finding the Fourth Proportional to 15,694.66, 21,693.06 and 13,791.94

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Solution

The fourth proportional to 15,694.66, 21,693.06 and 13,791.94 is: 19,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.66 : 21,693.06 = 13,791.94 : x
  2. Step 2: Convert to fraction form
    15,694.66/21,693.06 = 13,791.94/x
  3. Step 3: Cross multiply
    15,694.66x = 21,693.06 × 13,791.94
  4. Step 4: Simplify right side
    15,694.66x = 299,189,381.94
  5. Step 5: Solve for x
    x = 299,189,381.94/15,694.66
  6. Step 6: Final answer
    x = 19,063.13

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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.