Home / 11,321.28-16,982.83-4,304.65

Finding the Fourth Proportional to 11,321.28, 16,982.83 and 4,304.65

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Solution

The fourth proportional to 11,321.28, 16,982.83 and 4,304.65 is: 6,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.28 : 16,982.83 = 4,304.65 : x
  2. Step 2: Convert to fraction form
    11,321.28/16,982.83 = 4,304.65/x
  3. Step 3: Cross multiply
    11,321.28x = 16,982.83 × 4,304.65
  4. Step 4: Simplify right side
    11,321.28x = 73,105,139.16
  5. Step 5: Solve for x
    x = 73,105,139.16/11,321.28
  6. Step 6: Final answer
    x = 6,457.32

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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.