Home / 18,134.29-25,018.90-11,850.31

Finding the Fourth Proportional to 18,134.29, 25,018.90 and 11,850.31

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Solution

The fourth proportional to 18,134.29, 25,018.90 and 11,850.31 is: 16,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.29 : 25,018.90 = 11,850.31 : x
  2. Step 2: Convert to fraction form
    18,134.29/25,018.90 = 11,850.31/x
  3. Step 3: Cross multiply
    18,134.29x = 25,018.90 × 11,850.31
  4. Step 4: Simplify right side
    18,134.29x = 296,481,720.86
  5. Step 5: Solve for x
    x = 296,481,720.86/18,134.29
  6. Step 6: Final answer
    x = 16,349.23

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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.