Home / 11,429.80-17,144.70-8,834.56

Finding the Fourth Proportional to 11,429.80, 17,144.70 and 8,834.56

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Solution

The fourth proportional to 11,429.80, 17,144.70 and 8,834.56 is: 13,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.80 : 17,144.70 = 8,834.56 : x
  2. Step 2: Convert to fraction form
    11,429.80/17,144.70 = 8,834.56/x
  3. Step 3: Cross multiply
    11,429.80x = 17,144.70 × 8,834.56
  4. Step 4: Simplify right side
    11,429.80x = 151,465,880.83
  5. Step 5: Solve for x
    x = 151,465,880.83/11,429.80
  6. Step 6: Final answer
    x = 13,251.84

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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.