Home / 11,762.96-16,232.81-6,729.21

Finding the Fourth Proportional to 11,762.96, 16,232.81 and 6,729.21

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Solution

The fourth proportional to 11,762.96, 16,232.81 and 6,729.21 is: 9,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.96 : 16,232.81 = 6,729.21 : x
  2. Step 2: Convert to fraction form
    11,762.96/16,232.81 = 6,729.21/x
  3. Step 3: Cross multiply
    11,762.96x = 16,232.81 × 6,729.21
  4. Step 4: Simplify right side
    11,762.96x = 109,233,953.73
  5. Step 5: Solve for x
    x = 109,233,953.73/11,762.96
  6. Step 6: Final answer
    x = 9,286.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.