Home / 12,982.22-19,473.34-4,218.02

Finding the Fourth Proportional to 12,982.22, 19,473.34 and 4,218.02

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Solution

The fourth proportional to 12,982.22, 19,473.34 and 4,218.02 is: 6,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.22 : 19,473.34 = 4,218.02 : x
  2. Step 2: Convert to fraction form
    12,982.22/19,473.34 = 4,218.02/x
  3. Step 3: Cross multiply
    12,982.22x = 19,473.34 × 4,218.02
  4. Step 4: Simplify right side
    12,982.22x = 82,138,937.59
  5. Step 5: Solve for x
    x = 82,138,937.59/12,982.22
  6. Step 6: Final answer
    x = 6,327.03

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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.