Home / 12,260.62-18,390.41-3,495.52

Finding the Fourth Proportional to 12,260.62, 18,390.41 and 3,495.52

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Solution

The fourth proportional to 12,260.62, 18,390.41 and 3,495.52 is: 5,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.62 : 18,390.41 = 3,495.52 : x
  2. Step 2: Convert to fraction form
    12,260.62/18,390.41 = 3,495.52/x
  3. Step 3: Cross multiply
    12,260.62x = 18,390.41 × 3,495.52
  4. Step 4: Simplify right side
    12,260.62x = 64,283,936.53
  5. Step 5: Solve for x
    x = 64,283,936.53/12,260.62
  6. Step 6: Final answer
    x = 5,243.12

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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.