Home / 12,771.12-19,168.27-6,535.44

Finding the Fourth Proportional to 12,771.12, 19,168.27 and 6,535.44

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Solution

The fourth proportional to 12,771.12, 19,168.27 and 6,535.44 is: 9,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.12 : 19,168.27 = 6,535.44 : x
  2. Step 2: Convert to fraction form
    12,771.12/19,168.27 = 6,535.44/x
  3. Step 3: Cross multiply
    12,771.12x = 19,168.27 × 6,535.44
  4. Step 4: Simplify right side
    12,771.12x = 125,273,062.15
  5. Step 5: Solve for x
    x = 125,273,062.15/12,771.12
  6. Step 6: Final answer
    x = 9,809.09

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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.