Home / 18,209.56-25,129.09-10,251.84

Finding the Fourth Proportional to 18,209.56, 25,129.09 and 10,251.84

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Solution

The fourth proportional to 18,209.56, 25,129.09 and 10,251.84 is: 14,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.56 : 25,129.09 = 10,251.84 : x
  2. Step 2: Convert to fraction form
    18,209.56/25,129.09 = 10,251.84/x
  3. Step 3: Cross multiply
    18,209.56x = 25,129.09 × 10,251.84
  4. Step 4: Simplify right side
    18,209.56x = 257,619,284.38
  5. Step 5: Solve for x
    x = 257,619,284.38/18,209.56
  6. Step 6: Final answer
    x = 14,147.48

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Double scale
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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.