Home / 10,776.28-16,163.96-2,984.90

Finding the Fourth Proportional to 10,776.28, 16,163.96 and 2,984.90

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Solution

The fourth proportional to 10,776.28, 16,163.96 and 2,984.90 is: 4,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.28 : 16,163.96 = 2,984.90 : x
  2. Step 2: Convert to fraction form
    10,776.28/16,163.96 = 2,984.90/x
  3. Step 3: Cross multiply
    10,776.28x = 16,163.96 × 2,984.90
  4. Step 4: Simplify right side
    10,776.28x = 48,247,804.20
  5. Step 5: Solve for x
    x = 48,247,804.20/10,776.28
  6. Step 6: Final answer
    x = 4,477.22

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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.