Home / 14,135.14-19,505.05-8,168.73

Finding the Fourth Proportional to 14,135.14, 19,505.05 and 8,168.73

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Solution

The fourth proportional to 14,135.14, 19,505.05 and 8,168.73 is: 11,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.14 : 19,505.05 = 8,168.73 : x
  2. Step 2: Convert to fraction form
    14,135.14/19,505.05 = 8,168.73/x
  3. Step 3: Cross multiply
    14,135.14x = 19,505.05 × 8,168.73
  4. Step 4: Simplify right side
    14,135.14x = 159,331,487.09
  5. Step 5: Solve for x
    x = 159,331,487.09/14,135.14
  6. Step 6: Final answer
    x = 11,272.01

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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.