Home / 13,313.69-19,975.22-5,917.47

Finding the Fourth Proportional to 13,313.69, 19,975.22 and 5,917.47

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Solution

The fourth proportional to 13,313.69, 19,975.22 and 5,917.47 is: 8,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.69 : 19,975.22 = 5,917.47 : x
  2. Step 2: Convert to fraction form
    13,313.69/19,975.22 = 5,917.47/x
  3. Step 3: Cross multiply
    13,313.69x = 19,975.22 × 5,917.47
  4. Step 4: Simplify right side
    13,313.69x = 118,202,765.09
  5. Step 5: Solve for x
    x = 118,202,765.09/13,313.69
  6. Step 6: Final answer
    x = 8,878.29

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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.