Home / 18,664.17-28,000.19-6,183.48

Finding the Fourth Proportional to 18,664.17, 28,000.19 and 6,183.48

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Solution

The fourth proportional to 18,664.17, 28,000.19 and 6,183.48 is: 9,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.17 : 28,000.19 = 6,183.48 : x
  2. Step 2: Convert to fraction form
    18,664.17/28,000.19 = 6,183.48/x
  3. Step 3: Cross multiply
    18,664.17x = 28,000.19 × 6,183.48
  4. Step 4: Simplify right side
    18,664.17x = 173,138,443.94
  5. Step 5: Solve for x
    x = 173,138,443.94/18,664.17
  6. Step 6: Final answer
    x = 9,276.52

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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.