Home / 11,217.52-16,818.04-5,378.23

Finding the Fourth Proportional to 11,217.52, 16,818.04 and 5,378.23

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Solution

The fourth proportional to 11,217.52, 16,818.04 and 5,378.23 is: 8,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.52 : 16,818.04 = 5,378.23 : x
  2. Step 2: Convert to fraction form
    11,217.52/16,818.04 = 5,378.23/x
  3. Step 3: Cross multiply
    11,217.52x = 16,818.04 × 5,378.23
  4. Step 4: Simplify right side
    11,217.52x = 90,451,287.27
  5. Step 5: Solve for x
    x = 90,451,287.27/11,217.52
  6. Step 6: Final answer
    x = 8,063.39

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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.