Home / 12,204.96-18,307.92-3,440.64

Finding the Fourth Proportional to 12,204.96, 18,307.92 and 3,440.64

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Solution

The fourth proportional to 12,204.96, 18,307.92 and 3,440.64 is: 5,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.96 : 18,307.92 = 3,440.64 : x
  2. Step 2: Convert to fraction form
    12,204.96/18,307.92 = 3,440.64/x
  3. Step 3: Cross multiply
    12,204.96x = 18,307.92 × 3,440.64
  4. Step 4: Simplify right side
    12,204.96x = 62,990,961.87
  5. Step 5: Solve for x
    x = 62,990,961.87/12,204.96
  6. Step 6: Final answer
    x = 5,161.10

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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.