Home / 18,286.96-25,236.68-10,330.38

Finding the Fourth Proportional to 18,286.96, 25,236.68 and 10,330.38

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Solution

The fourth proportional to 18,286.96, 25,236.68 and 10,330.38 is: 14,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.96 : 25,236.68 = 10,330.38 : x
  2. Step 2: Convert to fraction form
    18,286.96/25,236.68 = 10,330.38/x
  3. Step 3: Cross multiply
    18,286.96x = 25,236.68 × 10,330.38
  4. Step 4: Simplify right side
    18,286.96x = 260,704,494.34
  5. Step 5: Solve for x
    x = 260,704,494.34/18,286.96
  6. Step 6: Final answer
    x = 14,256.31

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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.