Home / 14,092.98-19,447.17-8,120.64

Finding the Fourth Proportional to 14,092.98, 19,447.17 and 8,120.64

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Solution

The fourth proportional to 14,092.98, 19,447.17 and 8,120.64 is: 11,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.98 : 19,447.17 = 8,120.64 : x
  2. Step 2: Convert to fraction form
    14,092.98/19,447.17 = 8,120.64/x
  3. Step 3: Cross multiply
    14,092.98x = 19,447.17 × 8,120.64
  4. Step 4: Simplify right side
    14,092.98x = 157,923,466.59
  5. Step 5: Solve for x
    x = 157,923,466.59/14,092.98
  6. Step 6: Final answer
    x = 11,205.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.