Home / 14,530.45-21,792.80-3,997.75

Finding the Fourth Proportional to 14,530.45, 21,792.80 and 3,997.75

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Solution

The fourth proportional to 14,530.45, 21,792.80 and 3,997.75 is: 5,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.45 : 21,792.80 = 3,997.75 : x
  2. Step 2: Convert to fraction form
    14,530.45/21,792.80 = 3,997.75/x
  3. Step 3: Cross multiply
    14,530.45x = 21,792.80 × 3,997.75
  4. Step 4: Simplify right side
    14,530.45x = 87,122,146.21
  5. Step 5: Solve for x
    x = 87,122,146.21/14,530.45
  6. Step 6: Final answer
    x = 5,995.83

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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.