Home / 18,419.64-27,609.75-7,310.94

Finding the Fourth Proportional to 18,419.64, 27,609.75 and 7,310.94

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Solution

The fourth proportional to 18,419.64, 27,609.75 and 7,310.94 is: 10,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.64 : 27,609.75 = 7,310.94 : x
  2. Step 2: Convert to fraction form
    18,419.64/27,609.75 = 7,310.94/x
  3. Step 3: Cross multiply
    18,419.64x = 27,609.75 × 7,310.94
  4. Step 4: Simplify right side
    18,419.64x = 201,853,225.67
  5. Step 5: Solve for x
    x = 201,853,225.67/18,419.64
  6. Step 6: Final answer
    x = 10,958.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.