Home / 17,976.07-26,976.26-6,289.39

Finding the Fourth Proportional to 17,976.07, 26,976.26 and 6,289.39

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Solution

The fourth proportional to 17,976.07, 26,976.26 and 6,289.39 is: 9,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.07 : 26,976.26 = 6,289.39 : x
  2. Step 2: Convert to fraction form
    17,976.07/26,976.26 = 6,289.39/x
  3. Step 3: Cross multiply
    17,976.07x = 26,976.26 × 6,289.39
  4. Step 4: Simplify right side
    17,976.07x = 169,664,219.88
  5. Step 5: Solve for x
    x = 169,664,219.88/17,976.07
  6. Step 6: Final answer
    x = 9,438.34

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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.