Home / 10,380.62-15,570.99-2,589.44

Finding the Fourth Proportional to 10,380.62, 15,570.99 and 2,589.44

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Solution

The fourth proportional to 10,380.62, 15,570.99 and 2,589.44 is: 3,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.62 : 15,570.99 = 2,589.44 : x
  2. Step 2: Convert to fraction form
    10,380.62/15,570.99 = 2,589.44/x
  3. Step 3: Cross multiply
    10,380.62x = 15,570.99 × 2,589.44
  4. Step 4: Simplify right side
    10,380.62x = 40,320,066.49
  5. Step 5: Solve for x
    x = 40,320,066.49/10,380.62
  6. Step 6: Final answer
    x = 3,884.17

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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.