Home / 13,934.96-20,902.46-6,539.43

Finding the Fourth Proportional to 13,934.96, 20,902.46 and 6,539.43

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Solution

The fourth proportional to 13,934.96, 20,902.46 and 6,539.43 is: 9,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.96 : 20,902.46 = 6,539.43 : x
  2. Step 2: Convert to fraction form
    13,934.96/20,902.46 = 6,539.43/x
  3. Step 3: Cross multiply
    13,934.96x = 20,902.46 × 6,539.43
  4. Step 4: Simplify right side
    13,934.96x = 136,690,174.00
  5. Step 5: Solve for x
    x = 136,690,174.00/13,934.96
  6. Step 6: Final answer
    x = 9,809.15

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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.