Home / 12,512.84-18,771.35-5,935.44

Finding the Fourth Proportional to 12,512.84, 18,771.35 and 5,935.44

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Solution

The fourth proportional to 12,512.84, 18,771.35 and 5,935.44 is: 8,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.84 : 18,771.35 = 5,935.44 : x
  2. Step 2: Convert to fraction form
    12,512.84/18,771.35 = 5,935.44/x
  3. Step 3: Cross multiply
    12,512.84x = 18,771.35 × 5,935.44
  4. Step 4: Simplify right side
    12,512.84x = 111,416,103.98
  5. Step 5: Solve for x
    x = 111,416,103.98/12,512.84
  6. Step 6: Final answer
    x = 8,904.14

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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.