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Finding the Fourth Proportional to 14,681.48, 20,260.44 and 7,967.21

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Solution

The fourth proportional to 14,681.48, 20,260.44 and 7,967.21 is: 10,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.48 : 20,260.44 = 7,967.21 : x
  2. Step 2: Convert to fraction form
    14,681.48/20,260.44 = 7,967.21/x
  3. Step 3: Cross multiply
    14,681.48x = 20,260.44 × 7,967.21
  4. Step 4: Simplify right side
    14,681.48x = 161,419,078.87
  5. Step 5: Solve for x
    x = 161,419,078.87/14,681.48
  6. Step 6: Final answer
    x = 10,994.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.