Home / 17,129.69-25,698.12-7,268.75

Finding the Fourth Proportional to 17,129.69, 25,698.12 and 7,268.75

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Solution

The fourth proportional to 17,129.69, 25,698.12 and 7,268.75 is: 10,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.69 : 25,698.12 = 7,268.75 : x
  2. Step 2: Convert to fraction form
    17,129.69/25,698.12 = 7,268.75/x
  3. Step 3: Cross multiply
    17,129.69x = 25,698.12 × 7,268.75
  4. Step 4: Simplify right side
    17,129.69x = 186,793,081.26
  5. Step 5: Solve for x
    x = 186,793,081.26/17,129.69
  6. Step 6: Final answer
    x = 10,904.64

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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.