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Finding the Fourth Proportional to 13,567.07, 18,722.11 and 7,517.06

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Solution

The fourth proportional to 13,567.07, 18,722.11 and 7,517.06 is: 10,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.07 : 18,722.11 = 7,517.06 : x
  2. Step 2: Convert to fraction form
    13,567.07/18,722.11 = 7,517.06/x
  3. Step 3: Cross multiply
    13,567.07x = 18,722.11 × 7,517.06
  4. Step 4: Simplify right side
    13,567.07x = 140,735,224.20
  5. Step 5: Solve for x
    x = 140,735,224.20/13,567.07
  6. Step 6: Final answer
    x = 10,373.30

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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.