Home / 20,292.80-30,441.63-8,604.50

Finding the Fourth Proportional to 20,292.80, 30,441.63 and 8,604.50

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Solution

The fourth proportional to 20,292.80, 30,441.63 and 8,604.50 is: 12,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.80 : 30,441.63 = 8,604.50 : x
  2. Step 2: Convert to fraction form
    20,292.80/30,441.63 = 8,604.50/x
  3. Step 3: Cross multiply
    20,292.80x = 30,441.63 × 8,604.50
  4. Step 4: Simplify right side
    20,292.80x = 261,935,005.34
  5. Step 5: Solve for x
    x = 261,935,005.34/20,292.80
  6. Step 6: Final answer
    x = 12,907.78

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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.