Home / 11,289.70-16,935.36-3,498.22

Finding the Fourth Proportional to 11,289.70, 16,935.36 and 3,498.22

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Solution

The fourth proportional to 11,289.70, 16,935.36 and 3,498.22 is: 5,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.70 : 16,935.36 = 3,498.22 : x
  2. Step 2: Convert to fraction form
    11,289.70/16,935.36 = 3,498.22/x
  3. Step 3: Cross multiply
    11,289.70x = 16,935.36 × 3,498.22
  4. Step 4: Simplify right side
    11,289.70x = 59,243,615.06
  5. Step 5: Solve for x
    x = 59,243,615.06/11,289.70
  6. Step 6: Final answer
    x = 5,247.58

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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.