Home / 18,823.04-28,234.96-6,340.80

Finding the Fourth Proportional to 18,823.04, 28,234.96 and 6,340.80

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Solution

The fourth proportional to 18,823.04, 28,234.96 and 6,340.80 is: 9,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.04 : 28,234.96 = 6,340.80 : x
  2. Step 2: Convert to fraction form
    18,823.04/28,234.96 = 6,340.80/x
  3. Step 3: Cross multiply
    18,823.04x = 28,234.96 × 6,340.80
  4. Step 4: Simplify right side
    18,823.04x = 179,032,234.37
  5. Step 5: Solve for x
    x = 179,032,234.37/18,823.04
  6. Step 6: Final answer
    x = 9,511.33

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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.