Home / 11,550.97-15,939.96-6,515.32

Finding the Fourth Proportional to 11,550.97, 15,939.96 and 6,515.32

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Solution

The fourth proportional to 11,550.97, 15,939.96 and 6,515.32 is: 8,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.97 : 15,939.96 = 6,515.32 : x
  2. Step 2: Convert to fraction form
    11,550.97/15,939.96 = 6,515.32/x
  3. Step 3: Cross multiply
    11,550.97x = 15,939.96 × 6,515.32
  4. Step 4: Simplify right side
    11,550.97x = 103,853,940.19
  5. Step 5: Solve for x
    x = 103,853,940.19/11,550.97
  6. Step 6: Final answer
    x = 8,990.93

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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.