Home / 11,631.26-16,049.68-7,862.62

Finding the Fourth Proportional to 11,631.26, 16,049.68 and 7,862.62

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Solution

The fourth proportional to 11,631.26, 16,049.68 and 7,862.62 is: 10,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.26 : 16,049.68 = 7,862.62 : x
  2. Step 2: Convert to fraction form
    11,631.26/16,049.68 = 7,862.62/x
  3. Step 3: Cross multiply
    11,631.26x = 16,049.68 × 7,862.62
  4. Step 4: Simplify right side
    11,631.26x = 126,192,475.18
  5. Step 5: Solve for x
    x = 126,192,475.18/11,631.26
  6. Step 6: Final answer
    x = 10,849.43

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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.