Home / 12,207.76-18,311.64-4,414.75

Finding the Fourth Proportional to 12,207.76, 18,311.64 and 4,414.75

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Solution

The fourth proportional to 12,207.76, 18,311.64 and 4,414.75 is: 6,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.76 : 18,311.64 = 4,414.75 : x
  2. Step 2: Convert to fraction form
    12,207.76/18,311.64 = 4,414.75/x
  3. Step 3: Cross multiply
    12,207.76x = 18,311.64 × 4,414.75
  4. Step 4: Simplify right side
    12,207.76x = 80,841,312.69
  5. Step 5: Solve for x
    x = 80,841,312.69/12,207.76
  6. Step 6: Final answer
    x = 6,622.13

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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.