Home / 19,184.05-28,744.39-8,772.85

Finding the Fourth Proportional to 19,184.05, 28,744.39 and 8,772.85

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Solution

The fourth proportional to 19,184.05, 28,744.39 and 8,772.85 is: 13,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.05 : 28,744.39 = 8,772.85 : x
  2. Step 2: Convert to fraction form
    19,184.05/28,744.39 = 8,772.85/x
  3. Step 3: Cross multiply
    19,184.05x = 28,744.39 × 8,772.85
  4. Step 4: Simplify right side
    19,184.05x = 252,170,221.81
  5. Step 5: Solve for x
    x = 252,170,221.81/19,184.05
  6. Step 6: Final answer
    x = 13,144.79

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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.