Home / 11,224.91-16,815.80-6,279.56

Finding the Fourth Proportional to 11,224.91, 16,815.80 and 6,279.56

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Solution

The fourth proportional to 11,224.91, 16,815.80 and 6,279.56 is: 9,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.91 : 16,815.80 = 6,279.56 : x
  2. Step 2: Convert to fraction form
    11,224.91/16,815.80 = 6,279.56/x
  3. Step 3: Cross multiply
    11,224.91x = 16,815.80 × 6,279.56
  4. Step 4: Simplify right side
    11,224.91x = 105,595,709.57
  5. Step 5: Solve for x
    x = 105,595,709.57/11,224.91
  6. Step 6: Final answer
    x = 9,407.27

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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.