Home / 18,250.25-25,120.26-12,935.84

Finding the Fourth Proportional to 18,250.25, 25,120.26 and 12,935.84

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Solution

The fourth proportional to 18,250.25, 25,120.26 and 12,935.84 is: 17,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.25 : 25,120.26 = 12,935.84 : x
  2. Step 2: Convert to fraction form
    18,250.25/25,120.26 = 12,935.84/x
  3. Step 3: Cross multiply
    18,250.25x = 25,120.26 × 12,935.84
  4. Step 4: Simplify right side
    18,250.25x = 324,951,538.52
  5. Step 5: Solve for x
    x = 324,951,538.52/18,250.25
  6. Step 6: Final answer
    x = 17,805.32

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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.