Home / 11,021.12-16,528.17-3,623.86

Finding the Fourth Proportional to 11,021.12, 16,528.17 and 3,623.86

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Solution

The fourth proportional to 11,021.12, 16,528.17 and 3,623.86 is: 5,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.12 : 16,528.17 = 3,623.86 : x
  2. Step 2: Convert to fraction form
    11,021.12/16,528.17 = 3,623.86/x
  3. Step 3: Cross multiply
    11,021.12x = 16,528.17 × 3,623.86
  4. Step 4: Simplify right side
    11,021.12x = 59,895,774.14
  5. Step 5: Solve for x
    x = 59,895,774.14/11,021.12
  6. Step 6: Final answer
    x = 5,434.64

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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.