Home / 18,140.18-27,214.62-7,604.42

Finding the Fourth Proportional to 18,140.18, 27,214.62 and 7,604.42

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Solution

The fourth proportional to 18,140.18, 27,214.62 and 7,604.42 is: 11,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.18 : 27,214.62 = 7,604.42 : x
  2. Step 2: Convert to fraction form
    18,140.18/27,214.62 = 7,604.42/x
  3. Step 3: Cross multiply
    18,140.18x = 27,214.62 × 7,604.42
  4. Step 4: Simplify right side
    18,140.18x = 206,951,400.62
  5. Step 5: Solve for x
    x = 206,951,400.62/18,140.18
  6. Step 6: Final answer
    x = 11,408.45

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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.