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Finding the Fourth Proportional to 19,861.88, 29,792.88 and 6,010.88

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Solution

The fourth proportional to 19,861.88, 29,792.88 and 6,010.88 is: 9,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.88 : 29,792.88 = 6,010.88 : x
  2. Step 2: Convert to fraction form
    19,861.88/29,792.88 = 6,010.88/x
  3. Step 3: Cross multiply
    19,861.88x = 29,792.88 × 6,010.88
  4. Step 4: Simplify right side
    19,861.88x = 179,081,277.57
  5. Step 5: Solve for x
    x = 179,081,277.57/19,861.88
  6. Step 6: Final answer
    x = 9,016.33

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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.