Home / 20,804.90-31,211.96-6,012.69

Finding the Fourth Proportional to 20,804.90, 31,211.96 and 6,012.69

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Solution

The fourth proportional to 20,804.90, 31,211.96 and 6,012.69 is: 9,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804.90 : 31,211.96 = 6,012.69 : x
  2. Step 2: Convert to fraction form
    20,804.90/31,211.96 = 6,012.69/x
  3. Step 3: Cross multiply
    20,804.90x = 31,211.96 × 6,012.69
  4. Step 4: Simplify right side
    20,804.90x = 187,667,902.05
  5. Step 5: Solve for x
    x = 187,667,902.05/20,804.90
  6. Step 6: Final answer
    x = 9,020.37

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1.5x scale

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.