Home / 18,664.83-27,983.34-8,798.49

Finding the Fourth Proportional to 18,664.83, 27,983.34 and 8,798.49

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Solution

The fourth proportional to 18,664.83, 27,983.34 and 8,798.49 is: 13,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.83 : 27,983.34 = 8,798.49 : x
  2. Step 2: Convert to fraction form
    18,664.83/27,983.34 = 8,798.49/x
  3. Step 3: Cross multiply
    18,664.83x = 27,983.34 × 8,798.49
  4. Step 4: Simplify right side
    18,664.83x = 246,211,137.16
  5. Step 5: Solve for x
    x = 246,211,137.16/18,664.83
  6. Step 6: Final answer
    x = 13,191.18

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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.