Home / 18,260.89-25,205.42-10,708.85

Finding the Fourth Proportional to 18,260.89, 25,205.42 and 10,708.85

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Solution

The fourth proportional to 18,260.89, 25,205.42 and 10,708.85 is: 14,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.89 : 25,205.42 = 10,708.85 : x
  2. Step 2: Convert to fraction form
    18,260.89/25,205.42 = 10,708.85/x
  3. Step 3: Cross multiply
    18,260.89x = 25,205.42 × 10,708.85
  4. Step 4: Simplify right side
    18,260.89x = 269,921,151.75
  5. Step 5: Solve for x
    x = 269,921,151.75/18,260.89
  6. Step 6: Final answer
    x = 14,781.38

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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.