Home / 12,093.61-18,135.76-4,697.09

Finding the Fourth Proportional to 12,093.61, 18,135.76 and 4,697.09

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Solution

The fourth proportional to 12,093.61, 18,135.76 and 4,697.09 is: 7,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.61 : 18,135.76 = 4,697.09 : x
  2. Step 2: Convert to fraction form
    12,093.61/18,135.76 = 4,697.09/x
  3. Step 3: Cross multiply
    12,093.61x = 18,135.76 × 4,697.09
  4. Step 4: Simplify right side
    12,093.61x = 85,185,355.73
  5. Step 5: Solve for x
    x = 85,185,355.73/12,093.61
  6. Step 6: Final answer
    x = 7,043.83

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1.5x scale

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.