Home / 11,178.42-16,769.24-3,387.84

Finding the Fourth Proportional to 11,178.42, 16,769.24 and 3,387.84

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Solution

The fourth proportional to 11,178.42, 16,769.24 and 3,387.84 is: 5,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.42 : 16,769.24 = 3,387.84 : x
  2. Step 2: Convert to fraction form
    11,178.42/16,769.24 = 3,387.84/x
  3. Step 3: Cross multiply
    11,178.42x = 16,769.24 × 3,387.84
  4. Step 4: Simplify right side
    11,178.42x = 56,811,502.04
  5. Step 5: Solve for x
    x = 56,811,502.04/11,178.42
  6. Step 6: Final answer
    x = 5,082.25

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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.