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Finding the Fourth Proportional to 17,435.80, 26,168.10 and 8,090.20

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Solution

The fourth proportional to 17,435.80, 26,168.10 and 8,090.20 is: 12,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,435.80 : 26,168.10 = 8,090.20 : x
  2. Step 2: Convert to fraction form
    17,435.80/26,168.10 = 8,090.20/x
  3. Step 3: Cross multiply
    17,435.80x = 26,168.10 × 8,090.20
  4. Step 4: Simplify right side
    17,435.80x = 211,705,162.62
  5. Step 5: Solve for x
    x = 211,705,162.62/17,435.80
  6. Step 6: Final answer
    x = 12,141.98

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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.