Home / 11,155.08-16,731.12-3,759.48

Finding the Fourth Proportional to 11,155.08, 16,731.12 and 3,759.48

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Solution

The fourth proportional to 11,155.08, 16,731.12 and 3,759.48 is: 5,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.08 : 16,731.12 = 3,759.48 : x
  2. Step 2: Convert to fraction form
    11,155.08/16,731.12 = 3,759.48/x
  3. Step 3: Cross multiply
    11,155.08x = 16,731.12 × 3,759.48
  4. Step 4: Simplify right side
    11,155.08x = 62,900,311.02
  5. Step 5: Solve for x
    x = 62,900,311.02/11,155.08
  6. Step 6: Final answer
    x = 5,638.71

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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.