Home / 13,934.13-20,908.37-9,257.37

Finding the Fourth Proportional to 13,934.13, 20,908.37 and 9,257.37

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Solution

The fourth proportional to 13,934.13, 20,908.37 and 9,257.37 is: 13,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.13 : 20,908.37 = 9,257.37 : x
  2. Step 2: Convert to fraction form
    13,934.13/20,908.37 = 9,257.37/x
  3. Step 3: Cross multiply
    13,934.13x = 20,908.37 × 9,257.37
  4. Step 4: Simplify right side
    13,934.13x = 193,556,517.19
  5. Step 5: Solve for x
    x = 193,556,517.19/13,934.13
  6. Step 6: Final answer
    x = 13,890.82

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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.