Home / 13,934.39-20,907.05-6,137.73

Finding the Fourth Proportional to 13,934.39, 20,907.05 and 6,137.73

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Solution

The fourth proportional to 13,934.39, 20,907.05 and 6,137.73 is: 9,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.39 : 20,907.05 = 6,137.73 : x
  2. Step 2: Convert to fraction form
    13,934.39/20,907.05 = 6,137.73/x
  3. Step 3: Cross multiply
    13,934.39x = 20,907.05 × 6,137.73
  4. Step 4: Simplify right side
    13,934.39x = 128,321,797.31
  5. Step 5: Solve for x
    x = 128,321,797.31/13,934.39
  6. Step 6: Final answer
    x = 9,209.00

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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.