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Finding the Fourth Proportional to 10,243.37, 15,371.02 and 4,319.89

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Solution

The fourth proportional to 10,243.37, 15,371.02 and 4,319.89 is: 6,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.37 : 15,371.02 = 4,319.89 : x
  2. Step 2: Convert to fraction form
    10,243.37/15,371.02 = 4,319.89/x
  3. Step 3: Cross multiply
    10,243.37x = 15,371.02 × 4,319.89
  4. Step 4: Simplify right side
    10,243.37x = 66,401,115.59
  5. Step 5: Solve for x
    x = 66,401,115.59/10,243.37
  6. Step 6: Final answer
    x = 6,482.35

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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.