Home / 20,849.37-31,276.80-6,804.48

Finding the Fourth Proportional to 20,849.37, 31,276.80 and 6,804.48

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Solution

The fourth proportional to 20,849.37, 31,276.80 and 6,804.48 is: 10,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.37 : 31,276.80 = 6,804.48 : x
  2. Step 2: Convert to fraction form
    20,849.37/31,276.80 = 6,804.48/x
  3. Step 3: Cross multiply
    20,849.37x = 31,276.80 × 6,804.48
  4. Step 4: Simplify right side
    20,849.37x = 212,822,360.06
  5. Step 5: Solve for x
    x = 212,822,360.06/20,849.37
  6. Step 6: Final answer
    x = 10,207.62

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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.