Home / 12,582.28-18,872.46-3,817.24

Finding the Fourth Proportional to 12,582.28, 18,872.46 and 3,817.24

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Solution

The fourth proportional to 12,582.28, 18,872.46 and 3,817.24 is: 5,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.28 : 18,872.46 = 3,817.24 : x
  2. Step 2: Convert to fraction form
    12,582.28/18,872.46 = 3,817.24/x
  3. Step 3: Cross multiply
    12,582.28x = 18,872.46 × 3,817.24
  4. Step 4: Simplify right side
    12,582.28x = 72,040,709.21
  5. Step 5: Solve for x
    x = 72,040,709.21/12,582.28
  6. Step 6: Final answer
    x = 5,725.57

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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.