Home / 19,426.30-29,139.45-12,850.95

Finding the Fourth Proportional to 19,426.30, 29,139.45 and 12,850.95

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Solution

The fourth proportional to 19,426.30, 29,139.45 and 12,850.95 is: 19,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.30 : 29,139.45 = 12,850.95 : x
  2. Step 2: Convert to fraction form
    19,426.30/29,139.45 = 12,850.95/x
  3. Step 3: Cross multiply
    19,426.30x = 29,139.45 × 12,850.95
  4. Step 4: Simplify right side
    19,426.30x = 374,469,512.15
  5. Step 5: Solve for x
    x = 374,469,512.15/19,426.30
  6. Step 6: Final answer
    x = 19,276.42

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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.