Home / 18,383.05-25,369.07-10,425.81

Finding the Fourth Proportional to 18,383.05, 25,369.07 and 10,425.81

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Solution

The fourth proportional to 18,383.05, 25,369.07 and 10,425.81 is: 14,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.05 : 25,369.07 = 10,425.81 : x
  2. Step 2: Convert to fraction form
    18,383.05/25,369.07 = 10,425.81/x
  3. Step 3: Cross multiply
    18,383.05x = 25,369.07 × 10,425.81
  4. Step 4: Simplify right side
    18,383.05x = 264,493,146.70
  5. Step 5: Solve for x
    x = 264,493,146.70/18,383.05
  6. Step 6: Final answer
    x = 14,387.88

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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.