Home / 11,550.49-15,939.63-6,245.31

Finding the Fourth Proportional to 11,550.49, 15,939.63 and 6,245.31

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Solution

The fourth proportional to 11,550.49, 15,939.63 and 6,245.31 is: 8,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.49 : 15,939.63 = 6,245.31 : x
  2. Step 2: Convert to fraction form
    11,550.49/15,939.63 = 6,245.31/x
  3. Step 3: Cross multiply
    11,550.49x = 15,939.63 × 6,245.31
  4. Step 4: Simplify right side
    11,550.49x = 99,547,930.64
  5. Step 5: Solve for x
    x = 99,547,930.64/11,550.49
  6. Step 6: Final answer
    x = 8,618.50

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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.