Home / 13,932.87-20,906.47-9,256.11

Finding the Fourth Proportional to 13,932.87, 20,906.47 and 9,256.11

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Solution

The fourth proportional to 13,932.87, 20,906.47 and 9,256.11 is: 13,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.87 : 20,906.47 = 9,256.11 : x
  2. Step 2: Convert to fraction form
    13,932.87/20,906.47 = 9,256.11/x
  3. Step 3: Cross multiply
    13,932.87x = 20,906.47 × 9,256.11
  4. Step 4: Simplify right side
    13,932.87x = 193,512,586.03
  5. Step 5: Solve for x
    x = 193,512,586.03/13,932.87
  6. Step 6: Final answer
    x = 13,888.92

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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.