Home / 22,289.24-30,757.11-12,855.98

Finding the Fourth Proportional to 22,289.24, 30,757.11 and 12,855.98

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Solution

The fourth proportional to 22,289.24, 30,757.11 and 12,855.98 is: 17,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.24 : 30,757.11 = 12,855.98 : x
  2. Step 2: Convert to fraction form
    22,289.24/30,757.11 = 12,855.98/x
  3. Step 3: Cross multiply
    22,289.24x = 30,757.11 × 12,855.98
  4. Step 4: Simplify right side
    22,289.24x = 395,412,791.02
  5. Step 5: Solve for x
    x = 395,412,791.02/22,289.24
  6. Step 6: Final answer
    x = 17,740.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.