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Finding the Fourth Proportional to 14,659.47, 21,991.14 and 4,795.29

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Solution

The fourth proportional to 14,659.47, 21,991.14 and 4,795.29 is: 7,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.47 : 21,991.14 = 4,795.29 : x
  2. Step 2: Convert to fraction form
    14,659.47/21,991.14 = 4,795.29/x
  3. Step 3: Cross multiply
    14,659.47x = 21,991.14 × 4,795.29
  4. Step 4: Simplify right side
    14,659.47x = 105,453,893.73
  5. Step 5: Solve for x
    x = 105,453,893.73/14,659.47
  6. Step 6: Final answer
    x = 7,193.57

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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.