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Finding the Fourth Proportional to 13,350.54, 18,423.46 and 7,382.46

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Solution

The fourth proportional to 13,350.54, 18,423.46 and 7,382.46 is: 10,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.54 : 18,423.46 = 7,382.46 : x
  2. Step 2: Convert to fraction form
    13,350.54/18,423.46 = 7,382.46/x
  3. Step 3: Cross multiply
    13,350.54x = 18,423.46 × 7,382.46
  4. Step 4: Simplify right side
    13,350.54x = 136,010,456.51
  5. Step 5: Solve for x
    x = 136,010,456.51/13,350.54
  6. Step 6: Final answer
    x = 10,187.64

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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.