Home / 11,021.84-15,209.87-6,305.82

Finding the Fourth Proportional to 11,021.84, 15,209.87 and 6,305.82

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Solution

The fourth proportional to 11,021.84, 15,209.87 and 6,305.82 is: 8,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.84 : 15,209.87 = 6,305.82 : x
  2. Step 2: Convert to fraction form
    11,021.84/15,209.87 = 6,305.82/x
  3. Step 3: Cross multiply
    11,021.84x = 15,209.87 × 6,305.82
  4. Step 4: Simplify right side
    11,021.84x = 95,910,670.91
  5. Step 5: Solve for x
    x = 95,910,670.91/11,021.84
  6. Step 6: Final answer
    x = 8,701.88

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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.