Home / 14,213.82-21,320.73-5,448.72

Finding the Fourth Proportional to 14,213.82, 21,320.73 and 5,448.72

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Solution

The fourth proportional to 14,213.82, 21,320.73 and 5,448.72 is: 8,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.82 : 21,320.73 = 5,448.72 : x
  2. Step 2: Convert to fraction form
    14,213.82/21,320.73 = 5,448.72/x
  3. Step 3: Cross multiply
    14,213.82x = 21,320.73 × 5,448.72
  4. Step 4: Simplify right side
    14,213.82x = 116,170,687.97
  5. Step 5: Solve for x
    x = 116,170,687.97/14,213.82
  6. Step 6: Final answer
    x = 8,173.08

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Similar ratio
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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.