Home / 12,235.80-18,349.38-4,442.52

Finding the Fourth Proportional to 12,235.80, 18,349.38 and 4,442.52

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Solution

The fourth proportional to 12,235.80, 18,349.38 and 4,442.52 is: 6,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.80 : 18,349.38 = 4,442.52 : x
  2. Step 2: Convert to fraction form
    12,235.80/18,349.38 = 4,442.52/x
  3. Step 3: Cross multiply
    12,235.80x = 18,349.38 × 4,442.52
  4. Step 4: Simplify right side
    12,235.80x = 81,517,487.64
  5. Step 5: Solve for x
    x = 81,517,487.64/12,235.80
  6. Step 6: Final answer
    x = 6,662.21

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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.