Home / 14,199.60-21,297.68-3,812.16

Finding the Fourth Proportional to 14,199.60, 21,297.68 and 3,812.16

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Solution

The fourth proportional to 14,199.60, 21,297.68 and 3,812.16 is: 5,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.60 : 21,297.68 = 3,812.16 : x
  2. Step 2: Convert to fraction form
    14,199.60/21,297.68 = 3,812.16/x
  3. Step 3: Cross multiply
    14,199.60x = 21,297.68 × 3,812.16
  4. Step 4: Simplify right side
    14,199.60x = 81,190,163.79
  5. Step 5: Solve for x
    x = 81,190,163.79/14,199.60
  6. Step 6: Final answer
    x = 5,717.78

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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.