Home / 18,650.89-25,738.27-10,153.09

Finding the Fourth Proportional to 18,650.89, 25,738.27 and 10,153.09

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Solution

The fourth proportional to 18,650.89, 25,738.27 and 10,153.09 is: 14,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.89 : 25,738.27 = 10,153.09 : x
  2. Step 2: Convert to fraction form
    18,650.89/25,738.27 = 10,153.09/x
  3. Step 3: Cross multiply
    18,650.89x = 25,738.27 × 10,153.09
  4. Step 4: Simplify right side
    18,650.89x = 261,322,971.75
  5. Step 5: Solve for x
    x = 261,322,971.75/18,650.89
  6. Step 6: Final answer
    x = 14,011.29

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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.