Home / 9,149.50-13,684.68-5,392.37

Finding the Fourth Proportional to 9,149.50, 13,684.68 and 5,392.37

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Solution

The fourth proportional to 9,149.50, 13,684.68 and 5,392.37 is: 8,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.50 : 13,684.68 = 5,392.37 : x
  2. Step 2: Convert to fraction form
    9,149.50/13,684.68 = 5,392.37/x
  3. Step 3: Cross multiply
    9,149.50x = 13,684.68 × 5,392.37
  4. Step 4: Simplify right side
    9,149.50x = 73,792,789.47
  5. Step 5: Solve for x
    x = 73,792,789.47/9,149.50
  6. Step 6: Final answer
    x = 8,065.23

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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.