Home / 12,354.26-18,528.10-3,469.10

Finding the Fourth Proportional to 12,354.26, 18,528.10 and 3,469.10

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Solution

The fourth proportional to 12,354.26, 18,528.10 and 3,469.10 is: 5,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.26 : 18,528.10 = 3,469.10 : x
  2. Step 2: Convert to fraction form
    12,354.26/18,528.10 = 3,469.10/x
  3. Step 3: Cross multiply
    12,354.26x = 18,528.10 × 3,469.10
  4. Step 4: Simplify right side
    12,354.26x = 64,275,831.71
  5. Step 5: Solve for x
    x = 64,275,831.71/12,354.26
  6. Step 6: Final answer
    x = 5,202.73

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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.