Home / 10,901.44-16,353.28-3,977.92

Finding the Fourth Proportional to 10,901.44, 16,353.28 and 3,977.92

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Solution

The fourth proportional to 10,901.44, 16,353.28 and 3,977.92 is: 5,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.44 : 16,353.28 = 3,977.92 : x
  2. Step 2: Convert to fraction form
    10,901.44/16,353.28 = 3,977.92/x
  3. Step 3: Cross multiply
    10,901.44x = 16,353.28 × 3,977.92
  4. Step 4: Simplify right side
    10,901.44x = 65,052,039.58
  5. Step 5: Solve for x
    x = 65,052,039.58/10,901.44
  6. Step 6: Final answer
    x = 5,967.29

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Why These Related Problems?

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