Home / 11,899.91-17,849.73-4,878.35

Finding the Fourth Proportional to 11,899.91, 17,849.73 and 4,878.35

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Solution

The fourth proportional to 11,899.91, 17,849.73 and 4,878.35 is: 7,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.91 : 17,849.73 = 4,878.35 : x
  2. Step 2: Convert to fraction form
    11,899.91/17,849.73 = 4,878.35/x
  3. Step 3: Cross multiply
    11,899.91x = 17,849.73 × 4,878.35
  4. Step 4: Simplify right side
    11,899.91x = 87,077,205.95
  5. Step 5: Solve for x
    x = 87,077,205.95/11,899.91
  6. Step 6: Final answer
    x = 7,317.47

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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.