Home / 20,526.84-30,790.26-11,755.62

Finding the Fourth Proportional to 20,526.84, 30,790.26 and 11,755.62

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Solution

The fourth proportional to 20,526.84, 30,790.26 and 11,755.62 is: 17,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.84 : 30,790.26 = 11,755.62 : x
  2. Step 2: Convert to fraction form
    20,526.84/30,790.26 = 11,755.62/x
  3. Step 3: Cross multiply
    20,526.84x = 30,790.26 × 11,755.62
  4. Step 4: Simplify right side
    20,526.84x = 361,958,596.26
  5. Step 5: Solve for x
    x = 361,958,596.26/20,526.84
  6. Step 6: Final answer
    x = 17,633.43

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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.