Home / 18,994.11-28,493.88-5,847.57

Finding the Fourth Proportional to 18,994.11, 28,493.88 and 5,847.57

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Solution

The fourth proportional to 18,994.11, 28,493.88 and 5,847.57 is: 8,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.11 : 28,493.88 = 5,847.57 : x
  2. Step 2: Convert to fraction form
    18,994.11/28,493.88 = 5,847.57/x
  3. Step 3: Cross multiply
    18,994.11x = 28,493.88 × 5,847.57
  4. Step 4: Simplify right side
    18,994.11x = 166,619,957.87
  5. Step 5: Solve for x
    x = 166,619,957.87/18,994.11
  6. Step 6: Final answer
    x = 8,772.19

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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.