Home / 11,217.88-16,828.68-4,200.37

Finding the Fourth Proportional to 11,217.88, 16,828.68 and 4,200.37

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Solution

The fourth proportional to 11,217.88, 16,828.68 and 4,200.37 is: 6,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.88 : 16,828.68 = 4,200.37 : x
  2. Step 2: Convert to fraction form
    11,217.88/16,828.68 = 4,200.37/x
  3. Step 3: Cross multiply
    11,217.88x = 16,828.68 × 4,200.37
  4. Step 4: Simplify right side
    11,217.88x = 70,686,682.61
  5. Step 5: Solve for x
    x = 70,686,682.61/11,217.88
  6. Step 6: Final answer
    x = 6,301.25

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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.