Home / 12,452.28-18,682.04-3,687.40

Finding the Fourth Proportional to 12,452.28, 18,682.04 and 3,687.40

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Solution

The fourth proportional to 12,452.28, 18,682.04 and 3,687.40 is: 5,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.28 : 18,682.04 = 3,687.40 : x
  2. Step 2: Convert to fraction form
    12,452.28/18,682.04 = 3,687.40/x
  3. Step 3: Cross multiply
    12,452.28x = 18,682.04 × 3,687.40
  4. Step 4: Simplify right side
    12,452.28x = 68,888,154.30
  5. Step 5: Solve for x
    x = 68,888,154.30/12,452.28
  6. Step 6: Final answer
    x = 5,532.17

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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.