Home / 11,039.94-16,566.09-8,579.70

Finding the Fourth Proportional to 11,039.94, 16,566.09 and 8,579.70

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Solution

The fourth proportional to 11,039.94, 16,566.09 and 8,579.70 is: 12,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.94 : 16,566.09 = 8,579.70 : x
  2. Step 2: Convert to fraction form
    11,039.94/16,566.09 = 8,579.70/x
  3. Step 3: Cross multiply
    11,039.94x = 16,566.09 × 8,579.70
  4. Step 4: Simplify right side
    11,039.94x = 142,132,082.37
  5. Step 5: Solve for x
    x = 142,132,082.37/11,039.94
  6. Step 6: Final answer
    x = 12,874.35

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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.