Home / 17,388.90-26,065.76-6,866.33

Finding the Fourth Proportional to 17,388.90, 26,065.76 and 6,866.33

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Solution

The fourth proportional to 17,388.90, 26,065.76 and 6,866.33 is: 10,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.90 : 26,065.76 = 6,866.33 : x
  2. Step 2: Convert to fraction form
    17,388.90/26,065.76 = 6,866.33/x
  3. Step 3: Cross multiply
    17,388.90x = 26,065.76 × 6,866.33
  4. Step 4: Simplify right side
    17,388.90x = 178,975,945.20
  5. Step 5: Solve for x
    x = 178,975,945.20/17,388.90
  6. Step 6: Final answer
    x = 10,292.54

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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.