Home / 14,469.44-21,707.28-5,109.12

Finding the Fourth Proportional to 14,469.44, 21,707.28 and 5,109.12

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Solution

The fourth proportional to 14,469.44, 21,707.28 and 5,109.12 is: 7,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.44 : 21,707.28 = 5,109.12 : x
  2. Step 2: Convert to fraction form
    14,469.44/21,707.28 = 5,109.12/x
  3. Step 3: Cross multiply
    14,469.44x = 21,707.28 × 5,109.12
  4. Step 4: Simplify right side
    14,469.44x = 110,905,098.39
  5. Step 5: Solve for x
    x = 110,905,098.39/14,469.44
  6. Step 6: Final answer
    x = 7,664.78

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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.