Home / 18,960.24-26,150.76-11,406

Finding the Fourth Proportional to 18,960.24, 26,150.76 and 11,406

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Solution

The fourth proportional to 18,960.24, 26,150.76 and 11,406 is: 15,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.24 : 26,150.76 = 11,406 : x
  2. Step 2: Convert to fraction form
    18,960.24/26,150.76 = 11,406/x
  3. Step 3: Cross multiply
    18,960.24x = 26,150.76 × 11,406
  4. Step 4: Simplify right side
    18,960.24x = 298,275,568.56
  5. Step 5: Solve for x
    x = 298,275,568.56/18,960.24
  6. Step 6: Final answer
    x = 15,731.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.