Home / 18,150.33-25,055.87-12,110.61

Finding the Fourth Proportional to 18,150.33, 25,055.87 and 12,110.61

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Solution

The fourth proportional to 18,150.33, 25,055.87 and 12,110.61 is: 16,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.33 : 25,055.87 = 12,110.61 : x
  2. Step 2: Convert to fraction form
    18,150.33/25,055.87 = 12,110.61/x
  3. Step 3: Cross multiply
    18,150.33x = 25,055.87 × 12,110.61
  4. Step 4: Simplify right side
    18,150.33x = 303,441,869.78
  5. Step 5: Solve for x
    x = 303,441,869.78/18,150.33
  6. Step 6: Final answer
    x = 16,718.26

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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.