Home / 12,214.17-18,320.22-3,893.85

Finding the Fourth Proportional to 12,214.17, 18,320.22 and 3,893.85

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Solution

The fourth proportional to 12,214.17, 18,320.22 and 3,893.85 is: 5,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.17 : 18,320.22 = 3,893.85 : x
  2. Step 2: Convert to fraction form
    12,214.17/18,320.22 = 3,893.85/x
  3. Step 3: Cross multiply
    12,214.17x = 18,320.22 × 3,893.85
  4. Step 4: Simplify right side
    12,214.17x = 71,336,188.65
  5. Step 5: Solve for x
    x = 71,336,188.65/12,214.17
  6. Step 6: Final answer
    x = 5,840.45

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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.