Home / 20,309.79-30,453.52-6,265.98

Finding the Fourth Proportional to 20,309.79, 30,453.52 and 6,265.98

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Solution

The fourth proportional to 20,309.79, 30,453.52 and 6,265.98 is: 9,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.79 : 30,453.52 = 6,265.98 : x
  2. Step 2: Convert to fraction form
    20,309.79/30,453.52 = 6,265.98/x
  3. Step 3: Cross multiply
    20,309.79x = 30,453.52 × 6,265.98
  4. Step 4: Simplify right side
    20,309.79x = 190,821,228.98
  5. Step 5: Solve for x
    x = 190,821,228.98/20,309.79
  6. Step 6: Final answer
    x = 9,395.53

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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.