Home / 11,178.42-16,752.04-8,401.84

Finding the Fourth Proportional to 11,178.42, 16,752.04 and 8,401.84

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Solution

The fourth proportional to 11,178.42, 16,752.04 and 8,401.84 is: 12,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.42 : 16,752.04 = 8,401.84 : x
  2. Step 2: Convert to fraction form
    11,178.42/16,752.04 = 8,401.84/x
  3. Step 3: Cross multiply
    11,178.42x = 16,752.04 × 8,401.84
  4. Step 4: Simplify right side
    11,178.42x = 140,747,917.74
  5. Step 5: Solve for x
    x = 140,747,917.74/11,178.42
  6. Step 6: Final answer
    x = 12,591.04

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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.