Home / 22,235.90-30,682.60-14,288.85

Finding the Fourth Proportional to 22,235.90, 30,682.60 and 14,288.85

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Solution

The fourth proportional to 22,235.90, 30,682.60 and 14,288.85 is: 19,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.90 : 30,682.60 = 14,288.85 : x
  2. Step 2: Convert to fraction form
    22,235.90/30,682.60 = 14,288.85/x
  3. Step 3: Cross multiply
    22,235.90x = 30,682.60 × 14,288.85
  4. Step 4: Simplify right side
    22,235.90x = 438,419,033.29
  5. Step 5: Solve for x
    x = 438,419,033.29/22,235.90
  6. Step 6: Final answer
    x = 19,716.73

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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.