Home / 20,309.88-30,453.50-6,265.92

Finding the Fourth Proportional to 20,309.88, 30,453.50 and 6,265.92

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Solution

The fourth proportional to 20,309.88, 30,453.50 and 6,265.92 is: 9,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.88 : 30,453.50 = 6,265.92 : x
  2. Step 2: Convert to fraction form
    20,309.88/30,453.50 = 6,265.92/x
  3. Step 3: Cross multiply
    20,309.88x = 30,453.50 × 6,265.92
  4. Step 4: Simplify right side
    20,309.88x = 190,819,194.72
  5. Step 5: Solve for x
    x = 190,819,194.72/20,309.88
  6. Step 6: Final answer
    x = 9,395.39

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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.