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Finding the Fourth Proportional to 14,126.95, 21,197.31 and 5,809.47

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Solution

The fourth proportional to 14,126.95, 21,197.31 and 5,809.47 is: 8,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.95 : 21,197.31 = 5,809.47 : x
  2. Step 2: Convert to fraction form
    14,126.95/21,197.31 = 5,809.47/x
  3. Step 3: Cross multiply
    14,126.95x = 21,197.31 × 5,809.47
  4. Step 4: Simplify right side
    14,126.95x = 123,145,030.54
  5. Step 5: Solve for x
    x = 123,145,030.54/14,126.95
  6. Step 6: Final answer
    x = 8,717.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.