Home / 12,754.26-19,134.64-7,493.72

Finding the Fourth Proportional to 12,754.26, 19,134.64 and 7,493.72

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Solution

The fourth proportional to 12,754.26, 19,134.64 and 7,493.72 is: 11,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.26 : 19,134.64 = 7,493.72 : x
  2. Step 2: Convert to fraction form
    12,754.26/19,134.64 = 7,493.72/x
  3. Step 3: Cross multiply
    12,754.26x = 19,134.64 × 7,493.72
  4. Step 4: Simplify right side
    12,754.26x = 143,389,520.05
  5. Step 5: Solve for x
    x = 143,389,520.05/12,754.26
  6. Step 6: Final answer
    x = 11,242.48

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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.