Home / 11,514-15,881.32-6,975.20

Finding the Fourth Proportional to 11,514, 15,881.32 and 6,975.20

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Solution

The fourth proportional to 11,514, 15,881.32 and 6,975.20 is: 9,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514 : 15,881.32 = 6,975.20 : x
  2. Step 2: Convert to fraction form
    11,514/15,881.32 = 6,975.20/x
  3. Step 3: Cross multiply
    11,514x = 15,881.32 × 6,975.20
  4. Step 4: Simplify right side
    11,514x = 110,775,383.26
  5. Step 5: Solve for x
    x = 110,775,383.26/11,514
  6. Step 6: Final answer
    x = 9,620.93

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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.