Home / 10,828.97-16,243.46-3,814.18

Finding the Fourth Proportional to 10,828.97, 16,243.46 and 3,814.18

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Solution

The fourth proportional to 10,828.97, 16,243.46 and 3,814.18 is: 5,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.97 : 16,243.46 = 3,814.18 : x
  2. Step 2: Convert to fraction form
    10,828.97/16,243.46 = 3,814.18/x
  3. Step 3: Cross multiply
    10,828.97x = 16,243.46 × 3,814.18
  4. Step 4: Simplify right side
    10,828.97x = 61,955,480.26
  5. Step 5: Solve for x
    x = 61,955,480.26/10,828.97
  6. Step 6: Final answer
    x = 5,721.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.