Home / 18,839.42-28,258.44-7,599.62

Finding the Fourth Proportional to 18,839.42, 28,258.44 and 7,599.62

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Solution

The fourth proportional to 18,839.42, 28,258.44 and 7,599.62 is: 11,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.42 : 28,258.44 = 7,599.62 : x
  2. Step 2: Convert to fraction form
    18,839.42/28,258.44 = 7,599.62/x
  3. Step 3: Cross multiply
    18,839.42x = 28,258.44 × 7,599.62
  4. Step 4: Simplify right side
    18,839.42x = 214,753,447.94
  5. Step 5: Solve for x
    x = 214,753,447.94/18,839.42
  6. Step 6: Final answer
    x = 11,399.15

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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.