Home / 16,854.26-25,261.70-12,680.86

Finding the Fourth Proportional to 16,854.26, 25,261.70 and 12,680.86

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Solution

The fourth proportional to 16,854.26, 25,261.70 and 12,680.86 is: 19,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.26 : 25,261.70 = 12,680.86 : x
  2. Step 2: Convert to fraction form
    16,854.26/25,261.70 = 12,680.86/x
  3. Step 3: Cross multiply
    16,854.26x = 25,261.70 × 12,680.86
  4. Step 4: Simplify right side
    16,854.26x = 320,340,049.61
  5. Step 5: Solve for x
    x = 320,340,049.61/16,854.26
  6. Step 6: Final answer
    x = 19,006.48

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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.