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Finding the Fourth Proportional to 19,910.88, 29,872.08 and 6,059.52

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Solution

The fourth proportional to 19,910.88, 29,872.08 and 6,059.52 is: 9,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.88 : 29,872.08 = 6,059.52 : x
  2. Step 2: Convert to fraction form
    19,910.88/29,872.08 = 6,059.52/x
  3. Step 3: Cross multiply
    19,910.88x = 29,872.08 × 6,059.52
  4. Step 4: Simplify right side
    19,910.88x = 181,010,466.20
  5. Step 5: Solve for x
    x = 181,010,466.20/19,910.88
  6. Step 6: Final answer
    x = 9,091.03

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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.