Home / 20,464.25-30,696.37-6,425.51

Finding the Fourth Proportional to 20,464.25, 30,696.37 and 6,425.51

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Solution

The fourth proportional to 20,464.25, 30,696.37 and 6,425.51 is: 9,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.25 : 30,696.37 = 6,425.51 : x
  2. Step 2: Convert to fraction form
    20,464.25/30,696.37 = 6,425.51/x
  3. Step 3: Cross multiply
    20,464.25x = 30,696.37 × 6,425.51
  4. Step 4: Simplify right side
    20,464.25x = 197,239,770.77
  5. Step 5: Solve for x
    x = 197,239,770.77/20,464.25
  6. Step 6: Final answer
    x = 9,638.26

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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.