Home / 20,193.93-30,295.80-6,342.93

Finding the Fourth Proportional to 20,193.93, 30,295.80 and 6,342.93

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Solution

The fourth proportional to 20,193.93, 30,295.80 and 6,342.93 is: 9,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.93 : 30,295.80 = 6,342.93 : x
  2. Step 2: Convert to fraction form
    20,193.93/30,295.80 = 6,342.93/x
  3. Step 3: Cross multiply
    20,193.93x = 30,295.80 × 6,342.93
  4. Step 4: Simplify right side
    20,193.93x = 192,164,138.69
  5. Step 5: Solve for x
    x = 192,164,138.69/20,193.93
  6. Step 6: Final answer
    x = 9,515.94

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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.