Home / 11,617.70-17,426.34-3,826.58

Finding the Fourth Proportional to 11,617.70, 17,426.34 and 3,826.58

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Solution

The fourth proportional to 11,617.70, 17,426.34 and 3,826.58 is: 5,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.70 : 17,426.34 = 3,826.58 : x
  2. Step 2: Convert to fraction form
    11,617.70/17,426.34 = 3,826.58/x
  3. Step 3: Cross multiply
    11,617.70x = 17,426.34 × 3,826.58
  4. Step 4: Simplify right side
    11,617.70x = 66,683,196.99
  5. Step 5: Solve for x
    x = 66,683,196.99/11,617.70
  6. Step 6: Final answer
    x = 5,739.80

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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.