Home / 10,663.86-15,995.21-3,268.34

Finding the Fourth Proportional to 10,663.86, 15,995.21 and 3,268.34

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Solution

The fourth proportional to 10,663.86, 15,995.21 and 3,268.34 is: 4,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.86 : 15,995.21 = 3,268.34 : x
  2. Step 2: Convert to fraction form
    10,663.86/15,995.21 = 3,268.34/x
  3. Step 3: Cross multiply
    10,663.86x = 15,995.21 × 3,268.34
  4. Step 4: Simplify right side
    10,663.86x = 52,277,784.65
  5. Step 5: Solve for x
    x = 52,277,784.65/10,663.86
  6. Step 6: Final answer
    x = 4,902.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.