Home / 10,882.13-16,321.23-4,957.64

Finding the Fourth Proportional to 10,882.13, 16,321.23 and 4,957.64

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Solution

The fourth proportional to 10,882.13, 16,321.23 and 4,957.64 is: 7,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.13 : 16,321.23 = 4,957.64 : x
  2. Step 2: Convert to fraction form
    10,882.13/16,321.23 = 4,957.64/x
  3. Step 3: Cross multiply
    10,882.13x = 16,321.23 × 4,957.64
  4. Step 4: Simplify right side
    10,882.13x = 80,914,782.70
  5. Step 5: Solve for x
    x = 80,914,782.70/10,882.13
  6. Step 6: Final answer
    x = 7,435.56

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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.