Home / 20,573.14-30,862.18-7,243.37

Finding the Fourth Proportional to 20,573.14, 30,862.18 and 7,243.37

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Solution

The fourth proportional to 20,573.14, 30,862.18 and 7,243.37 is: 10,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.14 : 30,862.18 = 7,243.37 : x
  2. Step 2: Convert to fraction form
    20,573.14/30,862.18 = 7,243.37/x
  3. Step 3: Cross multiply
    20,573.14x = 30,862.18 × 7,243.37
  4. Step 4: Simplify right side
    20,573.14x = 223,546,188.75
  5. Step 5: Solve for x
    x = 223,546,188.75/20,573.14
  6. Step 6: Final answer
    x = 10,865.92

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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.