Home / 10,880.68-16,322.28-3,956.80

Finding the Fourth Proportional to 10,880.68, 16,322.28 and 3,956.80

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Solution

The fourth proportional to 10,880.68, 16,322.28 and 3,956.80 is: 5,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.68 : 16,322.28 = 3,956.80 : x
  2. Step 2: Convert to fraction form
    10,880.68/16,322.28 = 3,956.80/x
  3. Step 3: Cross multiply
    10,880.68x = 16,322.28 × 3,956.80
  4. Step 4: Simplify right side
    10,880.68x = 64,583,997.50
  5. Step 5: Solve for x
    x = 64,583,997.50/10,880.68
  6. Step 6: Final answer
    x = 5,935.66

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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.