Home / 9,137.26-13,687.62-4,200.13

Finding the Fourth Proportional to 9,137.26, 13,687.62 and 4,200.13

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Solution

The fourth proportional to 9,137.26, 13,687.62 and 4,200.13 is: 6,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.26 : 13,687.62 = 4,200.13 : x
  2. Step 2: Convert to fraction form
    9,137.26/13,687.62 = 4,200.13/x
  3. Step 3: Cross multiply
    9,137.26x = 13,687.62 × 4,200.13
  4. Step 4: Simplify right side
    9,137.26x = 57,489,783.39
  5. Step 5: Solve for x
    x = 57,489,783.39/9,137.26
  6. Step 6: Final answer
    x = 6,291.80

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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.