Home / 12,234.44-18,338.60-4,835.70

Finding the Fourth Proportional to 12,234.44, 18,338.60 and 4,835.70

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Solution

The fourth proportional to 12,234.44, 18,338.60 and 4,835.70 is: 7,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.44 : 18,338.60 = 4,835.70 : x
  2. Step 2: Convert to fraction form
    12,234.44/18,338.60 = 4,835.70/x
  3. Step 3: Cross multiply
    12,234.44x = 18,338.60 × 4,835.70
  4. Step 4: Simplify right side
    12,234.44x = 88,679,980.11
  5. Step 5: Solve for x
    x = 88,679,980.11/12,234.44
  6. Step 6: Final answer
    x = 7,248.39

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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.