Home / 12,308.58-18,456.99-3,541.14

Finding the Fourth Proportional to 12,308.58, 18,456.99 and 3,541.14

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Solution

The fourth proportional to 12,308.58, 18,456.99 and 3,541.14 is: 5,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.58 : 18,456.99 = 3,541.14 : x
  2. Step 2: Convert to fraction form
    12,308.58/18,456.99 = 3,541.14/x
  3. Step 3: Cross multiply
    12,308.58x = 18,456.99 × 3,541.14
  4. Step 4: Simplify right side
    12,308.58x = 65,358,785.57
  5. Step 5: Solve for x
    x = 65,358,785.57/12,308.58
  6. Step 6: Final answer
    x = 5,310.02

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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.