Home / 13,814.33-20,727.62-7,238.96

Finding the Fourth Proportional to 13,814.33, 20,727.62 and 7,238.96

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Solution

The fourth proportional to 13,814.33, 20,727.62 and 7,238.96 is: 10,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.33 : 20,727.62 = 7,238.96 : x
  2. Step 2: Convert to fraction form
    13,814.33/20,727.62 = 7,238.96/x
  3. Step 3: Cross multiply
    13,814.33x = 20,727.62 × 7,238.96
  4. Step 4: Simplify right side
    13,814.33x = 150,046,326.53
  5. Step 5: Solve for x
    x = 150,046,326.53/13,814.33
  6. Step 6: Final answer
    x = 10,861.64

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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.