Home / 12,926.90-19,391.16-4,163.24

Finding the Fourth Proportional to 12,926.90, 19,391.16 and 4,163.24

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Solution

The fourth proportional to 12,926.90, 19,391.16 and 4,163.24 is: 6,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.90 : 19,391.16 = 4,163.24 : x
  2. Step 2: Convert to fraction form
    12,926.90/19,391.16 = 4,163.24/x
  3. Step 3: Cross multiply
    12,926.90x = 19,391.16 × 4,163.24
  4. Step 4: Simplify right side
    12,926.90x = 80,730,052.96
  5. Step 5: Solve for x
    x = 80,730,052.96/12,926.90
  6. Step 6: Final answer
    x = 6,245.12

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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.