Home / 11,321.72-16,966.16-6,380.84

Finding the Fourth Proportional to 11,321.72, 16,966.16 and 6,380.84

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Solution

The fourth proportional to 11,321.72, 16,966.16 and 6,380.84 is: 9,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.72 : 16,966.16 = 6,380.84 : x
  2. Step 2: Convert to fraction form
    11,321.72/16,966.16 = 6,380.84/x
  3. Step 3: Cross multiply
    11,321.72x = 16,966.16 × 6,380.84
  4. Step 4: Simplify right side
    11,321.72x = 108,258,422.71
  5. Step 5: Solve for x
    x = 108,258,422.71/11,321.72
  6. Step 6: Final answer
    x = 9,562.01

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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.