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Finding the Fourth Proportional to 13,192.64, 18,200.64 and 7,602.56

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Solution

The fourth proportional to 13,192.64, 18,200.64 and 7,602.56 is: 10,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.64 : 18,200.64 = 7,602.56 : x
  2. Step 2: Convert to fraction form
    13,192.64/18,200.64 = 7,602.56/x
  3. Step 3: Cross multiply
    13,192.64x = 18,200.64 × 7,602.56
  4. Step 4: Simplify right side
    13,192.64x = 138,371,457.64
  5. Step 5: Solve for x
    x = 138,371,457.64/13,192.64
  6. Step 6: Final answer
    x = 10,488.53

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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.