Home / 18,241.20-27,345.64-7,155.84

Finding the Fourth Proportional to 18,241.20, 27,345.64 and 7,155.84

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Solution

The fourth proportional to 18,241.20, 27,345.64 and 7,155.84 is: 10,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.20 : 27,345.64 = 7,155.84 : x
  2. Step 2: Convert to fraction form
    18,241.20/27,345.64 = 7,155.84/x
  3. Step 3: Cross multiply
    18,241.20x = 27,345.64 × 7,155.84
  4. Step 4: Simplify right side
    18,241.20x = 195,681,024.54
  5. Step 5: Solve for x
    x = 195,681,024.54/18,241.20
  6. Step 6: Final answer
    x = 10,727.42

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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.