Home / 18,887.38-26,065.70-10,932.37

Finding the Fourth Proportional to 18,887.38, 26,065.70 and 10,932.37

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Solution

The fourth proportional to 18,887.38, 26,065.70 and 10,932.37 is: 15,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.38 : 26,065.70 = 10,932.37 : x
  2. Step 2: Convert to fraction form
    18,887.38/26,065.70 = 10,932.37/x
  3. Step 3: Cross multiply
    18,887.38x = 26,065.70 × 10,932.37
  4. Step 4: Simplify right side
    18,887.38x = 284,959,797.88
  5. Step 5: Solve for x
    x = 284,959,797.88/18,887.38
  6. Step 6: Final answer
    x = 15,087.31

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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.