Home / 18,664.74-27,983.43-8,798.49

Finding the Fourth Proportional to 18,664.74, 27,983.43 and 8,798.49

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Solution

The fourth proportional to 18,664.74, 27,983.43 and 8,798.49 is: 13,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.74 : 27,983.43 = 8,798.49 : x
  2. Step 2: Convert to fraction form
    18,664.74/27,983.43 = 8,798.49/x
  3. Step 3: Cross multiply
    18,664.74x = 27,983.43 × 8,798.49
  4. Step 4: Simplify right side
    18,664.74x = 246,211,929.02
  5. Step 5: Solve for x
    x = 246,211,929.02/18,664.74
  6. Step 6: Final answer
    x = 13,191.29

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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.