Home / 11,582.96-15,984.69-6,278

Finding the Fourth Proportional to 11,582.96, 15,984.69 and 6,278

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Solution

The fourth proportional to 11,582.96, 15,984.69 and 6,278 is: 8,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.96 : 15,984.69 = 6,278 : x
  2. Step 2: Convert to fraction form
    11,582.96/15,984.69 = 6,278/x
  3. Step 3: Cross multiply
    11,582.96x = 15,984.69 × 6,278
  4. Step 4: Simplify right side
    11,582.96x = 100,351,883.82
  5. Step 5: Solve for x
    x = 100,351,883.82/11,582.96
  6. Step 6: Final answer
    x = 8,663.75

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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.