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Finding the Fourth Proportional to 13,104.54, 18,084.25 and 7,136.25

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Solution

The fourth proportional to 13,104.54, 18,084.25 and 7,136.25 is: 9,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.54 : 18,084.25 = 7,136.25 : x
  2. Step 2: Convert to fraction form
    13,104.54/18,084.25 = 7,136.25/x
  3. Step 3: Cross multiply
    13,104.54x = 18,084.25 × 7,136.25
  4. Step 4: Simplify right side
    13,104.54x = 129,053,643.41
  5. Step 5: Solve for x
    x = 129,053,643.41/13,104.54
  6. Step 6: Final answer
    x = 9,848.01

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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.