Home / 11,982.59-16,531.26-8,006.30

Finding the Fourth Proportional to 11,982.59, 16,531.26 and 8,006.30

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Solution

The fourth proportional to 11,982.59, 16,531.26 and 8,006.30 is: 11,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.59 : 16,531.26 = 8,006.30 : x
  2. Step 2: Convert to fraction form
    11,982.59/16,531.26 = 8,006.30/x
  3. Step 3: Cross multiply
    11,982.59x = 16,531.26 × 8,006.30
  4. Step 4: Simplify right side
    11,982.59x = 132,354,226.94
  5. Step 5: Solve for x
    x = 132,354,226.94/11,982.59
  6. Step 6: Final answer
    x = 11,045.54

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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.