Home / 20,539.90-30,795.96-8,052.13

Finding the Fourth Proportional to 20,539.90, 30,795.96 and 8,052.13

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Solution

The fourth proportional to 20,539.90, 30,795.96 and 8,052.13 is: 12,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.90 : 30,795.96 = 8,052.13 : x
  2. Step 2: Convert to fraction form
    20,539.90/30,795.96 = 8,052.13/x
  3. Step 3: Cross multiply
    20,539.90x = 30,795.96 × 8,052.13
  4. Step 4: Simplify right side
    20,539.90x = 247,973,073.39
  5. Step 5: Solve for x
    x = 247,973,073.39/20,539.90
  6. Step 6: Final answer
    x = 12,072.75

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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.