Home / 11,550.71-15,939.90-6,514.97

Finding the Fourth Proportional to 11,550.71, 15,939.90 and 6,514.97

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Solution

The fourth proportional to 11,550.71, 15,939.90 and 6,514.97 is: 8,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.71 : 15,939.90 = 6,514.97 : x
  2. Step 2: Convert to fraction form
    11,550.71/15,939.90 = 6,514.97/x
  3. Step 3: Cross multiply
    11,550.71x = 15,939.90 × 6,514.97
  4. Step 4: Simplify right side
    11,550.71x = 103,848,026.44
  5. Step 5: Solve for x
    x = 103,848,026.44/11,550.71
  6. Step 6: Final answer
    x = 8,990.62

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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.