Home / 12,591.05-18,884.51-3,704.30

Finding the Fourth Proportional to 12,591.05, 18,884.51 and 3,704.30

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Solution

The fourth proportional to 12,591.05, 18,884.51 and 3,704.30 is: 5,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.05 : 18,884.51 = 3,704.30 : x
  2. Step 2: Convert to fraction form
    12,591.05/18,884.51 = 3,704.30/x
  3. Step 3: Cross multiply
    12,591.05x = 18,884.51 × 3,704.30
  4. Step 4: Simplify right side
    12,591.05x = 69,953,795.97
  5. Step 5: Solve for x
    x = 69,953,795.97/12,591.05
  6. Step 6: Final answer
    x = 5,555.84

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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.