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Finding the Fourth Proportional to 10,243.68, 15,353.37 and 4,387.92

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Solution

The fourth proportional to 10,243.68, 15,353.37 and 4,387.92 is: 6,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.68 : 15,353.37 = 4,387.92 : x
  2. Step 2: Convert to fraction form
    10,243.68/15,353.37 = 4,387.92/x
  3. Step 3: Cross multiply
    10,243.68x = 15,353.37 × 4,387.92
  4. Step 4: Simplify right side
    10,243.68x = 67,369,359.29
  5. Step 5: Solve for x
    x = 67,369,359.29/10,243.68
  6. Step 6: Final answer
    x = 6,576.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.