Home / 11,213.01-16,822.14-3,421.82

Finding the Fourth Proportional to 11,213.01, 16,822.14 and 3,421.82

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Solution

The fourth proportional to 11,213.01, 16,822.14 and 3,421.82 is: 5,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.01 : 16,822.14 = 3,421.82 : x
  2. Step 2: Convert to fraction form
    11,213.01/16,822.14 = 3,421.82/x
  3. Step 3: Cross multiply
    11,213.01x = 16,822.14 × 3,421.82
  4. Step 4: Simplify right side
    11,213.01x = 57,562,335.09
  5. Step 5: Solve for x
    x = 57,562,335.09/11,213.01
  6. Step 6: Final answer
    x = 5,133.53

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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.