Home / 18,183.75-25,093.73-10,225.90

Finding the Fourth Proportional to 18,183.75, 25,093.73 and 10,225.90

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Solution

The fourth proportional to 18,183.75, 25,093.73 and 10,225.90 is: 14,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.75 : 25,093.73 = 10,225.90 : x
  2. Step 2: Convert to fraction form
    18,183.75/25,093.73 = 10,225.90/x
  3. Step 3: Cross multiply
    18,183.75x = 25,093.73 × 10,225.90
  4. Step 4: Simplify right side
    18,183.75x = 256,605,973.61
  5. Step 5: Solve for x
    x = 256,605,973.61/18,183.75
  6. Step 6: Final answer
    x = 14,111.83

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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.