Home / 20,811.82-31,212.60-6,017.44

Finding the Fourth Proportional to 20,811.82, 31,212.60 and 6,017.44

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Solution

The fourth proportional to 20,811.82, 31,212.60 and 6,017.44 is: 9,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811.82 : 31,212.60 = 6,017.44 : x
  2. Step 2: Convert to fraction form
    20,811.82/31,212.60 = 6,017.44/x
  3. Step 3: Cross multiply
    20,811.82x = 31,212.60 × 6,017.44
  4. Step 4: Simplify right side
    20,811.82x = 187,819,947.74
  5. Step 5: Solve for x
    x = 187,819,947.74/20,811.82
  6. Step 6: Final answer
    x = 9,024.68

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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.