Home / 11,178.46-16,767.72-3,387.34

Finding the Fourth Proportional to 11,178.46, 16,767.72 and 3,387.34

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Solution

The fourth proportional to 11,178.46, 16,767.72 and 3,387.34 is: 5,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.46 : 16,767.72 = 3,387.34 : x
  2. Step 2: Convert to fraction form
    11,178.46/16,767.72 = 3,387.34/x
  3. Step 3: Cross multiply
    11,178.46x = 16,767.72 × 3,387.34
  4. Step 4: Simplify right side
    11,178.46x = 56,797,968.66
  5. Step 5: Solve for x
    x = 56,797,968.66/11,178.46
  6. Step 6: Final answer
    x = 5,081.02

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1.5x scale

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.