Home / 12,039.09-16,579.49-8,676.58

Finding the Fourth Proportional to 12,039.09, 16,579.49 and 8,676.58

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Solution

The fourth proportional to 12,039.09, 16,579.49 and 8,676.58 is: 11,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.09 : 16,579.49 = 8,676.58 : x
  2. Step 2: Convert to fraction form
    12,039.09/16,579.49 = 8,676.58/x
  3. Step 3: Cross multiply
    12,039.09x = 16,579.49 × 8,676.58
  4. Step 4: Simplify right side
    12,039.09x = 143,853,244.18
  5. Step 5: Solve for x
    x = 143,853,244.18/12,039.09
  6. Step 6: Final answer
    x = 11,948.85

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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.