Home / 17,917.40-26,876.21-6,821.62

Finding the Fourth Proportional to 17,917.40, 26,876.21 and 6,821.62

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Solution

The fourth proportional to 17,917.40, 26,876.21 and 6,821.62 is: 10,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.40 : 26,876.21 = 6,821.62 : x
  2. Step 2: Convert to fraction form
    17,917.40/26,876.21 = 6,821.62/x
  3. Step 3: Cross multiply
    17,917.40x = 26,876.21 × 6,821.62
  4. Step 4: Simplify right side
    17,917.40x = 183,339,190.36
  5. Step 5: Solve for x
    x = 183,339,190.36/17,917.40
  6. Step 6: Final answer
    x = 10,232.46

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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.