Home / 11,550.75-15,939.95-6,245.54

Finding the Fourth Proportional to 11,550.75, 15,939.95 and 6,245.54

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Solution

The fourth proportional to 11,550.75, 15,939.95 and 6,245.54 is: 8,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.75 : 15,939.95 = 6,245.54 : x
  2. Step 2: Convert to fraction form
    11,550.75/15,939.95 = 6,245.54/x
  3. Step 3: Cross multiply
    11,550.75x = 15,939.95 × 6,245.54
  4. Step 4: Simplify right side
    11,550.75x = 99,553,595.32
  5. Step 5: Solve for x
    x = 99,553,595.32/11,550.75
  6. Step 6: Final answer
    x = 8,618.80

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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.