Home / 18,263.70-25,195.25-11,887.97

Finding the Fourth Proportional to 18,263.70, 25,195.25 and 11,887.97

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Solution

The fourth proportional to 18,263.70, 25,195.25 and 11,887.97 is: 16,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.70 : 25,195.25 = 11,887.97 : x
  2. Step 2: Convert to fraction form
    18,263.70/25,195.25 = 11,887.97/x
  3. Step 3: Cross multiply
    18,263.70x = 25,195.25 × 11,887.97
  4. Step 4: Simplify right side
    18,263.70x = 299,520,279.89
  5. Step 5: Solve for x
    x = 299,520,279.89/18,263.70
  6. Step 6: Final answer
    x = 16,399.76

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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.