Home / 10,956.96-16,433.28-3,163.68

Finding the Fourth Proportional to 10,956.96, 16,433.28 and 3,163.68

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Solution

The fourth proportional to 10,956.96, 16,433.28 and 3,163.68 is: 4,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.96 : 16,433.28 = 3,163.68 : x
  2. Step 2: Convert to fraction form
    10,956.96/16,433.28 = 3,163.68/x
  3. Step 3: Cross multiply
    10,956.96x = 16,433.28 × 3,163.68
  4. Step 4: Simplify right side
    10,956.96x = 51,989,639.27
  5. Step 5: Solve for x
    x = 51,989,639.27/10,956.96
  6. Step 6: Final answer
    x = 4,744.90

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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.