Home / 12,884.58-19,327.05-3,650.58

Finding the Fourth Proportional to 12,884.58, 19,327.05 and 3,650.58

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Solution

The fourth proportional to 12,884.58, 19,327.05 and 3,650.58 is: 5,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.58 : 19,327.05 = 3,650.58 : x
  2. Step 2: Convert to fraction form
    12,884.58/19,327.05 = 3,650.58/x
  3. Step 3: Cross multiply
    12,884.58x = 19,327.05 × 3,650.58
  4. Step 4: Simplify right side
    12,884.58x = 70,554,942.19
  5. Step 5: Solve for x
    x = 70,554,942.19/12,884.58
  6. Step 6: Final answer
    x = 5,475.92

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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.