Home / 11,999.49-16,559.25-6,694.31

Finding the Fourth Proportional to 11,999.49, 16,559.25 and 6,694.31

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Solution

The fourth proportional to 11,999.49, 16,559.25 and 6,694.31 is: 9,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.49 : 16,559.25 = 6,694.31 : x
  2. Step 2: Convert to fraction form
    11,999.49/16,559.25 = 6,694.31/x
  3. Step 3: Cross multiply
    11,999.49x = 16,559.25 × 6,694.31
  4. Step 4: Simplify right side
    11,999.49x = 110,852,769.16
  5. Step 5: Solve for x
    x = 110,852,769.16/11,999.49
  6. Step 6: Final answer
    x = 9,238.12

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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.