Home / 13,664.48-20,497.04-4,899.20

Finding the Fourth Proportional to 13,664.48, 20,497.04 and 4,899.20

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Solution

The fourth proportional to 13,664.48, 20,497.04 and 4,899.20 is: 7,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.48 : 20,497.04 = 4,899.20 : x
  2. Step 2: Convert to fraction form
    13,664.48/20,497.04 = 4,899.20/x
  3. Step 3: Cross multiply
    13,664.48x = 20,497.04 × 4,899.20
  4. Step 4: Simplify right side
    13,664.48x = 100,419,098.37
  5. Step 5: Solve for x
    x = 100,419,098.37/13,664.48
  6. Step 6: Final answer
    x = 7,348.91

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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.