Home / 18,392.68-27,589.28-5,245.05

Finding the Fourth Proportional to 18,392.68, 27,589.28 and 5,245.05

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Solution

The fourth proportional to 18,392.68, 27,589.28 and 5,245.05 is: 7,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.68 : 27,589.28 = 5,245.05 : x
  2. Step 2: Convert to fraction form
    18,392.68/27,589.28 = 5,245.05/x
  3. Step 3: Cross multiply
    18,392.68x = 27,589.28 × 5,245.05
  4. Step 4: Simplify right side
    18,392.68x = 144,707,230.30
  5. Step 5: Solve for x
    x = 144,707,230.30/18,392.68
  6. Step 6: Final answer
    x = 7,867.65

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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.