Home / 20,694.43-31,017.34-9,577.64

Finding the Fourth Proportional to 20,694.43, 31,017.34 and 9,577.64

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Solution

The fourth proportional to 20,694.43, 31,017.34 and 9,577.64 is: 14,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.43 : 31,017.34 = 9,577.64 : x
  2. Step 2: Convert to fraction form
    20,694.43/31,017.34 = 9,577.64/x
  3. Step 3: Cross multiply
    20,694.43x = 31,017.34 × 9,577.64
  4. Step 4: Simplify right side
    20,694.43x = 297,073,005.79
  5. Step 5: Solve for x
    x = 297,073,005.79/20,694.43
  6. Step 6: Final answer
    x = 14,355.21

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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.