Home / 11,280.08-16,919.70-2,960.02

Finding the Fourth Proportional to 11,280.08, 16,919.70 and 2,960.02

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Solution

The fourth proportional to 11,280.08, 16,919.70 and 2,960.02 is: 4,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.08 : 16,919.70 = 2,960.02 : x
  2. Step 2: Convert to fraction form
    11,280.08/16,919.70 = 2,960.02/x
  3. Step 3: Cross multiply
    11,280.08x = 16,919.70 × 2,960.02
  4. Step 4: Simplify right side
    11,280.08x = 50,082,650.39
  5. Step 5: Solve for x
    x = 50,082,650.39/11,280.08
  6. Step 6: Final answer
    x = 4,439.92

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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.