Home / 13,933.13-20,906.87-9,256.37

Finding the Fourth Proportional to 13,933.13, 20,906.87 and 9,256.37

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Solution

The fourth proportional to 13,933.13, 20,906.87 and 9,256.37 is: 13,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.13 : 20,906.87 = 9,256.37 : x
  2. Step 2: Convert to fraction form
    13,933.13/20,906.87 = 9,256.37/x
  3. Step 3: Cross multiply
    13,933.13x = 20,906.87 × 9,256.37
  4. Step 4: Simplify right side
    13,933.13x = 193,521,573.45
  5. Step 5: Solve for x
    x = 193,521,573.45/13,933.13
  6. Step 6: Final answer
    x = 13,889.32

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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.