Home / 20,305.78-30,461.94-6,262.52

Finding the Fourth Proportional to 20,305.78, 30,461.94 and 6,262.52

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Solution

The fourth proportional to 20,305.78, 30,461.94 and 6,262.52 is: 9,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305.78 : 30,461.94 = 6,262.52 : x
  2. Step 2: Convert to fraction form
    20,305.78/30,461.94 = 6,262.52/x
  3. Step 3: Cross multiply
    20,305.78x = 30,461.94 × 6,262.52
  4. Step 4: Simplify right side
    20,305.78x = 190,768,508.49
  5. Step 5: Solve for x
    x = 190,768,508.49/20,305.78
  6. Step 6: Final answer
    x = 9,394.79

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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.