Home / 20,343.69-30,517.43-6,303.83

Finding the Fourth Proportional to 20,343.69, 30,517.43 and 6,303.83

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Solution

The fourth proportional to 20,343.69, 30,517.43 and 6,303.83 is: 9,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.69 : 30,517.43 = 6,303.83 : x
  2. Step 2: Convert to fraction form
    20,343.69/30,517.43 = 6,303.83/x
  3. Step 3: Cross multiply
    20,343.69x = 30,517.43 × 6,303.83
  4. Step 4: Simplify right side
    20,343.69x = 192,376,506.65
  5. Step 5: Solve for x
    x = 192,376,506.65/20,343.69
  6. Step 6: Final answer
    x = 9,456.32

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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.