Home / 11,221.48-16,836.54-4,294.36

Finding the Fourth Proportional to 11,221.48, 16,836.54 and 4,294.36

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Solution

The fourth proportional to 11,221.48, 16,836.54 and 4,294.36 is: 6,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.48 : 16,836.54 = 4,294.36 : x
  2. Step 2: Convert to fraction form
    11,221.48/16,836.54 = 4,294.36/x
  3. Step 3: Cross multiply
    11,221.48x = 16,836.54 × 4,294.36
  4. Step 4: Simplify right side
    11,221.48x = 72,302,163.91
  5. Step 5: Solve for x
    x = 72,302,163.91/11,221.48
  6. Step 6: Final answer
    x = 6,443.19

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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.