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Finding the Fourth Proportional to 13,192.47, 18,204.91 and 7,223.00

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Solution

The fourth proportional to 13,192.47, 18,204.91 and 7,223.00 is: 9,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.47 : 18,204.91 = 7,223.00 : x
  2. Step 2: Convert to fraction form
    13,192.47/18,204.91 = 7,223.00/x
  3. Step 3: Cross multiply
    13,192.47x = 18,204.91 × 7,223.00
  4. Step 4: Simplify right side
    13,192.47x = 131,493,955.85
  5. Step 5: Solve for x
    x = 131,493,955.85/13,192.47
  6. Step 6: Final answer
    x = 9,967.35

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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.