Home / 20,301.11-30,456.90-6,260.82

Finding the Fourth Proportional to 20,301.11, 30,456.90 and 6,260.82

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Solution

The fourth proportional to 20,301.11, 30,456.90 and 6,260.82 is: 9,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.11 : 30,456.90 = 6,260.82 : x
  2. Step 2: Convert to fraction form
    20,301.11/30,456.90 = 6,260.82/x
  3. Step 3: Cross multiply
    20,301.11x = 30,456.90 × 6,260.82
  4. Step 4: Simplify right side
    20,301.11x = 190,685,016.37
  5. Step 5: Solve for x
    x = 190,685,016.37/20,301.11
  6. Step 6: Final answer
    x = 9,392.84

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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.