Home / 20,369.63-30,555.59-6,331.65

Finding the Fourth Proportional to 20,369.63, 30,555.59 and 6,331.65

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Solution

The fourth proportional to 20,369.63, 30,555.59 and 6,331.65 is: 9,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.63 : 30,555.59 = 6,331.65 : x
  2. Step 2: Convert to fraction form
    20,369.63/30,555.59 = 6,331.65/x
  3. Step 3: Cross multiply
    20,369.63x = 30,555.59 × 6,331.65
  4. Step 4: Simplify right side
    20,369.63x = 193,467,269.77
  5. Step 5: Solve for x
    x = 193,467,269.77/20,369.63
  6. Step 6: Final answer
    x = 9,497.83

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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.