Home / 18,828.93-28,234.62-6,982.22

Finding the Fourth Proportional to 18,828.93, 28,234.62 and 6,982.22

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Solution

The fourth proportional to 18,828.93, 28,234.62 and 6,982.22 is: 10,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.93 : 28,234.62 = 6,982.22 : x
  2. Step 2: Convert to fraction form
    18,828.93/28,234.62 = 6,982.22/x
  3. Step 3: Cross multiply
    18,828.93x = 28,234.62 × 6,982.22
  4. Step 4: Simplify right side
    18,828.93x = 197,140,328.46
  5. Step 5: Solve for x
    x = 197,140,328.46/18,828.93
  6. Step 6: Final answer
    x = 10,470.08

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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.