Home / 13,982.69-19,287.72-10,201.28

Finding the Fourth Proportional to 13,982.69, 19,287.72 and 10,201.28

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Solution

The fourth proportional to 13,982.69, 19,287.72 and 10,201.28 is: 14,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.69 : 19,287.72 = 10,201.28 : x
  2. Step 2: Convert to fraction form
    13,982.69/19,287.72 = 10,201.28/x
  3. Step 3: Cross multiply
    13,982.69x = 19,287.72 × 10,201.28
  4. Step 4: Simplify right side
    13,982.69x = 196,759,335.84
  5. Step 5: Solve for x
    x = 196,759,335.84/13,982.69
  6. Step 6: Final answer
    x = 14,071.63

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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.