Home / 11,550.67-15,939.91-6,245.47

Finding the Fourth Proportional to 11,550.67, 15,939.91 and 6,245.47

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Solution

The fourth proportional to 11,550.67, 15,939.91 and 6,245.47 is: 8,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.67 : 15,939.91 = 6,245.47 : x
  2. Step 2: Convert to fraction form
    11,550.67/15,939.91 = 6,245.47/x
  3. Step 3: Cross multiply
    11,550.67x = 15,939.91 × 6,245.47
  4. Step 4: Simplify right side
    11,550.67x = 99,552,214.09
  5. Step 5: Solve for x
    x = 99,552,214.09/11,550.67
  6. Step 6: Final answer
    x = 8,618.74

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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.