Home / 11,550.62-15,939.86-6,245.43

Finding the Fourth Proportional to 11,550.62, 15,939.86 and 6,245.43

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Solution

The fourth proportional to 11,550.62, 15,939.86 and 6,245.43 is: 8,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.62 : 15,939.86 = 6,245.43 : x
  2. Step 2: Convert to fraction form
    11,550.62/15,939.86 = 6,245.43/x
  3. Step 3: Cross multiply
    11,550.62x = 15,939.86 × 6,245.43
  4. Step 4: Simplify right side
    11,550.62x = 99,551,279.84
  5. Step 5: Solve for x
    x = 99,551,279.84/11,550.62
  6. Step 6: Final answer
    x = 8,618.70

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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.